Home / 102,767.13-141,842.34-66,894.66

Finding the Fourth Proportional to 102,767.13, 141,842.34 and 66,894.66

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Solution

The fourth proportional to 102,767.13, 141,842.34 and 66,894.66 is: 92,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,767.13 : 141,842.34 = 66,894.66 : x
  2. Step 2: Convert to fraction form
    102,767.13/141,842.34 = 66,894.66/x
  3. Step 3: Cross multiply
    102,767.13x = 141,842.34 × 66,894.66
  4. Step 4: Simplify right side
    102,767.13x = 9,488,495,107.90
  5. Step 5: Solve for x
    x = 9,488,495,107.90/102,767.13
  6. Step 6: Final answer
    x = 92,330.06

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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.