Home / 124,981.13-187,491.24-40,721.73

Finding the Fourth Proportional to 124,981.13, 187,491.24 and 40,721.73

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Solution

The fourth proportional to 124,981.13, 187,491.24 and 40,721.73 is: 61,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981.13 : 187,491.24 = 40,721.73 : x
  2. Step 2: Convert to fraction form
    124,981.13/187,491.24 = 40,721.73/x
  3. Step 3: Cross multiply
    124,981.13x = 187,491.24 × 40,721.73
  4. Step 4: Simplify right side
    124,981.13x = 7,634,967,652.65
  5. Step 5: Solve for x
    x = 7,634,967,652.65/124,981.13
  6. Step 6: Final answer
    x = 61,088.97

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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.