Home / 137,008.95-205,542.18-58,121.43

Finding the Fourth Proportional to 137,008.95, 205,542.18 and 58,121.43

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Solution

The fourth proportional to 137,008.95, 205,542.18 and 58,121.43 is: 87,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,008.95 : 205,542.18 = 58,121.43 : x
  2. Step 2: Convert to fraction form
    137,008.95/205,542.18 = 58,121.43/x
  3. Step 3: Cross multiply
    137,008.95x = 205,542.18 × 58,121.43
  4. Step 4: Simplify right side
    137,008.95x = 11,946,405,426.92
  5. Step 5: Solve for x
    x = 11,946,405,426.92/137,008.95
  6. Step 6: Final answer
    x = 87,194.34

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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.