Home / 124,105.80-186,168.06-38,705.88

Finding the Fourth Proportional to 124,105.80, 186,168.06 and 38,705.88

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Solution

The fourth proportional to 124,105.80, 186,168.06 and 38,705.88 is: 58,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,105.80 : 186,168.06 = 38,705.88 : x
  2. Step 2: Convert to fraction form
    124,105.80/186,168.06 = 38,705.88/x
  3. Step 3: Cross multiply
    124,105.80x = 186,168.06 × 38,705.88
  4. Step 4: Simplify right side
    124,105.80x = 7,205,798,590.19
  5. Step 5: Solve for x
    x = 7,205,798,590.19/124,105.80
  6. Step 6: Final answer
    x = 58,061.74

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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.