Home / 124,759.32-187,139.79-49,885.76

Finding the Fourth Proportional to 124,759.32, 187,139.79 and 49,885.76

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Solution

The fourth proportional to 124,759.32, 187,139.79 and 49,885.76 is: 74,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,759.32 : 187,139.79 = 49,885.76 : x
  2. Step 2: Convert to fraction form
    124,759.32/187,139.79 = 49,885.76/x
  3. Step 3: Cross multiply
    124,759.32x = 187,139.79 × 49,885.76
  4. Step 4: Simplify right side
    124,759.32x = 9,335,609,714.69
  5. Step 5: Solve for x
    x = 9,335,609,714.69/124,759.32
  6. Step 6: Final answer
    x = 74,828.96

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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.