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Finding the Fourth Proportional to 127,359.52, 175,756.12 and 70,770.88

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Solution

The fourth proportional to 127,359.52, 175,756.12 and 70,770.88 is: 97,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,359.52 : 175,756.12 = 70,770.88 : x
  2. Step 2: Convert to fraction form
    127,359.52/175,756.12 = 70,770.88/x
  3. Step 3: Cross multiply
    127,359.52x = 175,756.12 × 70,770.88
  4. Step 4: Simplify right side
    127,359.52x = 12,438,415,277.79
  5. Step 5: Solve for x
    x = 12,438,415,277.79/127,359.52
  6. Step 6: Final answer
    x = 97,663.80

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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.