Home / 127,177.60-175,520.64-70,607.20

Finding the Fourth Proportional to 127,177.60, 175,520.64 and 70,607.20

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Solution

The fourth proportional to 127,177.60, 175,520.64 and 70,607.20 is: 97,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,177.60 : 175,520.64 = 70,607.20 : x
  2. Step 2: Convert to fraction form
    127,177.60/175,520.64 = 70,607.20/x
  3. Step 3: Cross multiply
    127,177.60x = 175,520.64 × 70,607.20
  4. Step 4: Simplify right side
    127,177.60x = 12,393,020,932.61
  5. Step 5: Solve for x
    x = 12,393,020,932.61/127,177.60
  6. Step 6: Final answer
    x = 97,446.57

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1.5x scale

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.