Home / 170,064.30-255,123.45-57,755.10

Finding the Fourth Proportional to 170,064.30, 255,123.45 and 57,755.10

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Solution

The fourth proportional to 170,064.30, 255,123.45 and 57,755.10 is: 86,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,064.30 : 255,123.45 = 57,755.10 : x
  2. Step 2: Convert to fraction form
    170,064.30/255,123.45 = 57,755.10/x
  3. Step 3: Cross multiply
    170,064.30x = 255,123.45 × 57,755.10
  4. Step 4: Simplify right side
    170,064.30x = 14,734,680,367.10
  5. Step 5: Solve for x
    x = 14,734,680,367.10/170,064.30
  6. Step 6: Final answer
    x = 86,641.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.