Home / 123,572.20-185,444.70-53,501.80

Finding the Fourth Proportional to 123,572.20, 185,444.70 and 53,501.80

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Solution

The fourth proportional to 123,572.20, 185,444.70 and 53,501.80 is: 80,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,572.20 : 185,444.70 = 53,501.80 : x
  2. Step 2: Convert to fraction form
    123,572.20/185,444.70 = 53,501.80/x
  3. Step 3: Cross multiply
    123,572.20x = 185,444.70 × 53,501.80
  4. Step 4: Simplify right side
    123,572.20x = 9,921,625,250.46
  5. Step 5: Solve for x
    x = 9,921,625,250.46/123,572.20
  6. Step 6: Final answer
    x = 80,290.11

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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.