Home / 97,990.28-147,018.22-38,842.86

Finding the Fourth Proportional to 97,990.28, 147,018.22 and 38,842.86

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Solution

The fourth proportional to 97,990.28, 147,018.22 and 38,842.86 is: 58,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,990.28 : 147,018.22 = 38,842.86 : x
  2. Step 2: Convert to fraction form
    97,990.28/147,018.22 = 38,842.86/x
  3. Step 3: Cross multiply
    97,990.28x = 147,018.22 × 38,842.86
  4. Step 4: Simplify right side
    97,990.28x = 5,710,608,136.91
  5. Step 5: Solve for x
    x = 5,710,608,136.91/97,990.28
  6. Step 6: Final answer
    x = 58,277.29

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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.