Home / 144,125.81-198,883.73-86,753.96

Finding the Fourth Proportional to 144,125.81, 198,883.73 and 86,753.96

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Solution

The fourth proportional to 144,125.81, 198,883.73 and 86,753.96 is: 119,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,125.81 : 198,883.73 = 86,753.96 : x
  2. Step 2: Convert to fraction form
    144,125.81/198,883.73 = 86,753.96/x
  3. Step 3: Cross multiply
    144,125.81x = 198,883.73 × 86,753.96
  4. Step 4: Simplify right side
    144,125.81x = 17,253,951,440.72
  5. Step 5: Solve for x
    x = 17,253,951,440.72/144,125.81
  6. Step 6: Final answer
    x = 119,714.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.