Home / 131,505.60-197,278.08-48,393.28

Finding the Fourth Proportional to 131,505.60, 197,278.08 and 48,393.28

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Solution

The fourth proportional to 131,505.60, 197,278.08 and 48,393.28 is: 72,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,505.60 : 197,278.08 = 48,393.28 : x
  2. Step 2: Convert to fraction form
    131,505.60/197,278.08 = 48,393.28/x
  3. Step 3: Cross multiply
    131,505.60x = 197,278.08 × 48,393.28
  4. Step 4: Simplify right side
    131,505.60x = 9,546,933,363.30
  5. Step 5: Solve for x
    x = 9,546,933,363.30/131,505.60
  6. Step 6: Final answer
    x = 72,597.16

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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.