Home / 127,722.77-176,262.90-71,134.16

Finding the Fourth Proportional to 127,722.77, 176,262.90 and 71,134.16

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Solution

The fourth proportional to 127,722.77, 176,262.90 and 71,134.16 is: 98,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.77 : 176,262.90 = 71,134.16 : x
  2. Step 2: Convert to fraction form
    127,722.77/176,262.90 = 71,134.16/x
  3. Step 3: Cross multiply
    127,722.77x = 176,262.90 × 71,134.16
  4. Step 4: Simplify right side
    127,722.77x = 12,538,313,330.66
  5. Step 5: Solve for x
    x = 12,538,313,330.66/127,722.77
  6. Step 6: Final answer
    x = 98,168.19

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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.