Home / 124,700.70-187,045.38-45,809.13

Finding the Fourth Proportional to 124,700.70, 187,045.38 and 45,809.13

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Solution

The fourth proportional to 124,700.70, 187,045.38 and 45,809.13 is: 68,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700.70 : 187,045.38 = 45,809.13 : x
  2. Step 2: Convert to fraction form
    124,700.70/187,045.38 = 45,809.13/x
  3. Step 3: Cross multiply
    124,700.70x = 187,045.38 × 45,809.13
  4. Step 4: Simplify right side
    124,700.70x = 8,568,386,128.32
  5. Step 5: Solve for x
    x = 8,568,386,128.32/124,700.70
  6. Step 6: Final answer
    x = 68,711.61

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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.