Home / 131,562.90-197,376.75-38,078.10

Finding the Fourth Proportional to 131,562.90, 197,376.75 and 38,078.10

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Solution

The fourth proportional to 131,562.90, 197,376.75 and 38,078.10 is: 57,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,562.90 : 197,376.75 = 38,078.10 : x
  2. Step 2: Convert to fraction form
    131,562.90/197,376.75 = 38,078.10/x
  3. Step 3: Cross multiply
    131,562.90x = 197,376.75 × 38,078.10
  4. Step 4: Simplify right side
    131,562.90x = 7,515,731,624.18
  5. Step 5: Solve for x
    x = 7,515,731,624.18/131,562.90
  6. Step 6: Final answer
    x = 57,126.53

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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.