Home / 102,401.01-141,318.18-57,079.32

Finding the Fourth Proportional to 102,401.01, 141,318.18 and 57,079.32

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Solution

The fourth proportional to 102,401.01, 141,318.18 and 57,079.32 is: 78,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,401.01 : 141,318.18 = 57,079.32 : x
  2. Step 2: Convert to fraction form
    102,401.01/141,318.18 = 57,079.32/x
  3. Step 3: Cross multiply
    102,401.01x = 141,318.18 × 57,079.32
  4. Step 4: Simplify right side
    102,401.01x = 8,066,345,618.04
  5. Step 5: Solve for x
    x = 8,066,345,618.04/102,401.01
  6. Step 6: Final answer
    x = 78,772.13

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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.