Home / 127,717.30-176,242.92-70,345.44

Finding the Fourth Proportional to 127,717.30, 176,242.92 and 70,345.44

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Solution

The fourth proportional to 127,717.30, 176,242.92 and 70,345.44 is: 97,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,717.30 : 176,242.92 = 70,345.44 : x
  2. Step 2: Convert to fraction form
    127,717.30/176,242.92 = 70,345.44/x
  3. Step 3: Cross multiply
    127,717.30x = 176,242.92 × 70,345.44
  4. Step 4: Simplify right side
    127,717.30x = 12,397,885,754.28
  5. Step 5: Solve for x
    x = 12,397,885,754.28/127,717.30
  6. Step 6: Final answer
    x = 97,072.88

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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.