Home / 124,830.20-187,255.61-40,588.45

Finding the Fourth Proportional to 124,830.20, 187,255.61 and 40,588.45

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Solution

The fourth proportional to 124,830.20, 187,255.61 and 40,588.45 is: 60,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,830.20 : 187,255.61 = 40,588.45 : x
  2. Step 2: Convert to fraction form
    124,830.20/187,255.61 = 40,588.45/x
  3. Step 3: Cross multiply
    124,830.20x = 187,255.61 × 40,588.45
  4. Step 4: Simplify right side
    124,830.20x = 7,600,414,963.70
  5. Step 5: Solve for x
    x = 7,600,414,963.70/124,830.20
  6. Step 6: Final answer
    x = 60,886.03

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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.