Home / 124,001.52-185,995.62-72,738.72

Finding the Fourth Proportional to 124,001.52, 185,995.62 and 72,738.72

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Solution

The fourth proportional to 124,001.52, 185,995.62 and 72,738.72 is: 109,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,001.52 : 185,995.62 = 72,738.72 : x
  2. Step 2: Convert to fraction form
    124,001.52/185,995.62 = 72,738.72/x
  3. Step 3: Cross multiply
    124,001.52x = 185,995.62 × 72,738.72
  4. Step 4: Simplify right side
    124,001.52x = 13,529,083,324.41
  5. Step 5: Solve for x
    x = 13,529,083,324.41/124,001.52
  6. Step 6: Final answer
    x = 109,104.17

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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.