Home / 127,276.38-175,638.87-70,685.82

Finding the Fourth Proportional to 127,276.38, 175,638.87 and 70,685.82

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Solution

The fourth proportional to 127,276.38, 175,638.87 and 70,685.82 is: 97,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276.38 : 175,638.87 = 70,685.82 : x
  2. Step 2: Convert to fraction form
    127,276.38/175,638.87 = 70,685.82/x
  3. Step 3: Cross multiply
    127,276.38x = 175,638.87 × 70,685.82
  4. Step 4: Simplify right side
    127,276.38x = 12,415,177,549.82
  5. Step 5: Solve for x
    x = 12,415,177,549.82/127,276.38
  6. Step 6: Final answer
    x = 97,545.02

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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.