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Finding the Fourth Proportional to 100,107.53, 150,117.01 and 29,973.77

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Solution

The fourth proportional to 100,107.53, 150,117.01 and 29,973.77 is: 44,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,107.53 : 150,117.01 = 29,973.77 : x
  2. Step 2: Convert to fraction form
    100,107.53/150,117.01 = 29,973.77/x
  3. Step 3: Cross multiply
    100,107.53x = 150,117.01 × 29,973.77
  4. Step 4: Simplify right side
    100,107.53x = 4,499,571,905.31
  5. Step 5: Solve for x
    x = 4,499,571,905.31/100,107.53
  6. Step 6: Final answer
    x = 44,947.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.