Home / 131,451.60-197,177.40-94,126.80

Finding the Fourth Proportional to 131,451.60, 197,177.40 and 94,126.80

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Solution

The fourth proportional to 131,451.60, 197,177.40 and 94,126.80 is: 141,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451.60 : 197,177.40 = 94,126.80 : x
  2. Step 2: Convert to fraction form
    131,451.60/197,177.40 = 94,126.80/x
  3. Step 3: Cross multiply
    131,451.60x = 197,177.40 × 94,126.80
  4. Step 4: Simplify right side
    131,451.60x = 18,559,677,694.32
  5. Step 5: Solve for x
    x = 18,559,677,694.32/131,451.60
  6. Step 6: Final answer
    x = 141,190.20

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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.