Home / 127,521.56-175,979.20-70,932.92

Finding the Fourth Proportional to 127,521.56, 175,979.20 and 70,932.92

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Solution

The fourth proportional to 127,521.56, 175,979.20 and 70,932.92 is: 97,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,521.56 : 175,979.20 = 70,932.92 : x
  2. Step 2: Convert to fraction form
    127,521.56/175,979.20 = 70,932.92/x
  3. Step 3: Cross multiply
    127,521.56x = 175,979.20 × 70,932.92
  4. Step 4: Simplify right side
    127,521.56x = 12,482,718,515.26
  5. Step 5: Solve for x
    x = 12,482,718,515.26/127,521.56
  6. Step 6: Final answer
    x = 97,887.12

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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.