Home / 119,502.20-164,912.13-65,788.13

Finding the Fourth Proportional to 119,502.20, 164,912.13 and 65,788.13

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Solution

The fourth proportional to 119,502.20, 164,912.13 and 65,788.13 is: 90,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,502.20 : 164,912.13 = 65,788.13 : x
  2. Step 2: Convert to fraction form
    119,502.20/164,912.13 = 65,788.13/x
  3. Step 3: Cross multiply
    119,502.20x = 164,912.13 × 65,788.13
  4. Step 4: Simplify right side
    119,502.20x = 10,849,259,822.46
  5. Step 5: Solve for x
    x = 10,849,259,822.46/119,502.20
  6. Step 6: Final answer
    x = 90,787.12

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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.