Home / 109,170.14-150,646.68-61,414.28

Finding the Fourth Proportional to 109,170.14, 150,646.68 and 61,414.28

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Solution

The fourth proportional to 109,170.14, 150,646.68 and 61,414.28 is: 84,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,170.14 : 150,646.68 = 61,414.28 : x
  2. Step 2: Convert to fraction form
    109,170.14/150,646.68 = 61,414.28/x
  3. Step 3: Cross multiply
    109,170.14x = 150,646.68 × 61,414.28
  4. Step 4: Simplify right side
    109,170.14x = 9,251,857,386.59
  5. Step 5: Solve for x
    x = 9,251,857,386.59/109,170.14
  6. Step 6: Final answer
    x = 84,747.14

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1.5x scale

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.