Home / 121,665.36-182,612.80-62,542.56

Finding the Fourth Proportional to 121,665.36, 182,612.80 and 62,542.56

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Solution

The fourth proportional to 121,665.36, 182,612.80 and 62,542.56 is: 93,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,665.36 : 182,612.80 = 62,542.56 : x
  2. Step 2: Convert to fraction form
    121,665.36/182,612.80 = 62,542.56/x
  3. Step 3: Cross multiply
    121,665.36x = 182,612.80 × 62,542.56
  4. Step 4: Simplify right side
    121,665.36x = 11,421,072,000.77
  5. Step 5: Solve for x
    x = 11,421,072,000.77/121,665.36
  6. Step 6: Final answer
    x = 93,872.83

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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.