Home / 102,275.38-141,102.56-61,960.06

Finding the Fourth Proportional to 102,275.38, 141,102.56 and 61,960.06

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Solution

The fourth proportional to 102,275.38, 141,102.56 and 61,960.06 is: 85,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,275.38 : 141,102.56 = 61,960.06 : x
  2. Step 2: Convert to fraction form
    102,275.38/141,102.56 = 61,960.06/x
  3. Step 3: Cross multiply
    102,275.38x = 141,102.56 × 61,960.06
  4. Step 4: Simplify right side
    102,275.38x = 8,742,723,083.75
  5. Step 5: Solve for x
    x = 8,742,723,083.75/102,275.38
  6. Step 6: Final answer
    x = 85,482.19

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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.