Home / 124,818.30-187,227.45-72,330.30

Finding the Fourth Proportional to 124,818.30, 187,227.45 and 72,330.30

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Solution

The fourth proportional to 124,818.30, 187,227.45 and 72,330.30 is: 108,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.30 : 187,227.45 = 72,330.30 : x
  2. Step 2: Convert to fraction form
    124,818.30/187,227.45 = 72,330.30/x
  3. Step 3: Cross multiply
    124,818.30x = 187,227.45 × 72,330.30
  4. Step 4: Simplify right side
    124,818.30x = 13,542,217,626.74
  5. Step 5: Solve for x
    x = 13,542,217,626.74/124,818.30
  6. Step 6: Final answer
    x = 108,495.45

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1.5x scale

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.