Home / 124,912-187,400.40-44,947.18

Finding the Fourth Proportional to 124,912, 187,400.40 and 44,947.18

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Solution

The fourth proportional to 124,912, 187,400.40 and 44,947.18 is: 67,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912 : 187,400.40 = 44,947.18 : x
  2. Step 2: Convert to fraction form
    124,912/187,400.40 = 44,947.18/x
  3. Step 3: Cross multiply
    124,912x = 187,400.40 × 44,947.18
  4. Step 4: Simplify right side
    124,912x = 8,423,119,510.87
  5. Step 5: Solve for x
    x = 8,423,119,510.87/124,912
  6. Step 6: Final answer
    x = 67,432.43

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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.