Home / 123,454.80-185,177.07-52,357.86

Finding the Fourth Proportional to 123,454.80, 185,177.07 and 52,357.86

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Solution

The fourth proportional to 123,454.80, 185,177.07 and 52,357.86 is: 78,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,454.80 : 185,177.07 = 52,357.86 : x
  2. Step 2: Convert to fraction form
    123,454.80/185,177.07 = 52,357.86/x
  3. Step 3: Cross multiply
    123,454.80x = 185,177.07 × 52,357.86
  4. Step 4: Simplify right side
    123,454.80x = 9,695,475,106.27
  5. Step 5: Solve for x
    x = 9,695,475,106.27/123,454.80
  6. Step 6: Final answer
    x = 78,534.61

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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.