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Finding the Fourth Proportional to 109,037.80, 150,488.10 and 61,295.08

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Solution

The fourth proportional to 109,037.80, 150,488.10 and 61,295.08 is: 84,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,037.80 : 150,488.10 = 61,295.08 : x
  2. Step 2: Convert to fraction form
    109,037.80/150,488.10 = 61,295.08/x
  3. Step 3: Cross multiply
    109,037.80x = 150,488.10 × 61,295.08
  4. Step 4: Simplify right side
    109,037.80x = 9,224,180,128.55
  5. Step 5: Solve for x
    x = 9,224,180,128.55/109,037.80
  6. Step 6: Final answer
    x = 84,596.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.