Home / 104,150.39-155,311.05-103,203.15

Finding the Fourth Proportional to 104,150.39, 155,311.05 and 103,203.15

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Solution

The fourth proportional to 104,150.39, 155,311.05 and 103,203.15 is: 153,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.39 : 155,311.05 = 103,203.15 : x
  2. Step 2: Convert to fraction form
    104,150.39/155,311.05 = 103,203.15/x
  3. Step 3: Cross multiply
    104,150.39x = 155,311.05 × 103,203.15
  4. Step 4: Simplify right side
    104,150.39x = 16,028,589,589.81
  5. Step 5: Solve for x
    x = 16,028,589,589.81/104,150.39
  6. Step 6: Final answer
    x = 153,898.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.