Home / 124,723.40-187,109.40-49,830.80

Finding the Fourth Proportional to 124,723.40, 187,109.40 and 49,830.80

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Solution

The fourth proportional to 124,723.40, 187,109.40 and 49,830.80 is: 74,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,723.40 : 187,109.40 = 49,830.80 : x
  2. Step 2: Convert to fraction form
    124,723.40/187,109.40 = 49,830.80/x
  3. Step 3: Cross multiply
    124,723.40x = 187,109.40 × 49,830.80
  4. Step 4: Simplify right side
    124,723.40x = 9,323,811,089.52
  5. Step 5: Solve for x
    x = 9,323,811,089.52/124,723.40
  6. Step 6: Final answer
    x = 74,755.91

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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.