Home / 102,062.88-152,766.75-54,559.18

Finding the Fourth Proportional to 102,062.88, 152,766.75 and 54,559.18

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Solution

The fourth proportional to 102,062.88, 152,766.75 and 54,559.18 is: 81,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,062.88 : 152,766.75 = 54,559.18 : x
  2. Step 2: Convert to fraction form
    102,062.88/152,766.75 = 54,559.18/x
  3. Step 3: Cross multiply
    102,062.88x = 152,766.75 × 54,559.18
  4. Step 4: Simplify right side
    102,062.88x = 8,334,828,229.35
  5. Step 5: Solve for x
    x = 8,334,828,229.35/102,062.88
  6. Step 6: Final answer
    x = 81,663.66

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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.