Home / 140,689.38-194,151.42-77,027.16

Finding the Fourth Proportional to 140,689.38, 194,151.42 and 77,027.16

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Solution

The fourth proportional to 140,689.38, 194,151.42 and 77,027.16 is: 106,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,689.38 : 194,151.42 = 77,027.16 : x
  2. Step 2: Convert to fraction form
    140,689.38/194,151.42 = 77,027.16/x
  3. Step 3: Cross multiply
    140,689.38x = 194,151.42 × 77,027.16
  4. Step 4: Simplify right side
    140,689.38x = 14,954,932,492.57
  5. Step 5: Solve for x
    x = 14,954,932,492.57/140,689.38
  6. Step 6: Final answer
    x = 106,297.52

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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.