Home / 102,937.50-142,060.23-57,618.54

Finding the Fourth Proportional to 102,937.50, 142,060.23 and 57,618.54

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Solution

The fourth proportional to 102,937.50, 142,060.23 and 57,618.54 is: 79,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,937.50 : 142,060.23 = 57,618.54 : x
  2. Step 2: Convert to fraction form
    102,937.50/142,060.23 = 57,618.54/x
  3. Step 3: Cross multiply
    102,937.50x = 142,060.23 × 57,618.54
  4. Step 4: Simplify right side
    102,937.50x = 8,185,303,044.66
  5. Step 5: Solve for x
    x = 8,185,303,044.66/102,937.50
  6. Step 6: Final answer
    x = 79,517.21

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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.