Home / 102,127.56-141,005.46-75,273.16

Finding the Fourth Proportional to 102,127.56, 141,005.46 and 75,273.16

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Solution

The fourth proportional to 102,127.56, 141,005.46 and 75,273.16 is: 103,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,127.56 : 141,005.46 = 75,273.16 : x
  2. Step 2: Convert to fraction form
    102,127.56/141,005.46 = 75,273.16/x
  3. Step 3: Cross multiply
    102,127.56x = 141,005.46 × 75,273.16
  4. Step 4: Simplify right side
    102,127.56x = 10,613,926,551.45
  5. Step 5: Solve for x
    x = 10,613,926,551.45/102,127.56
  6. Step 6: Final answer
    x = 103,928.13

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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.