Home / 127,827.30-176,402.40-74,144.16

Finding the Fourth Proportional to 127,827.30, 176,402.40 and 74,144.16

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Solution

The fourth proportional to 127,827.30, 176,402.40 and 74,144.16 is: 102,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.30 : 176,402.40 = 74,144.16 : x
  2. Step 2: Convert to fraction form
    127,827.30/176,402.40 = 74,144.16/x
  3. Step 3: Cross multiply
    127,827.30x = 176,402.40 × 74,144.16
  4. Step 4: Simplify right side
    127,827.30x = 13,079,207,769.98
  5. Step 5: Solve for x
    x = 13,079,207,769.98/127,827.30
  6. Step 6: Final answer
    x = 102,319.36

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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.