Home / 127,590.64-176,081.98-71,003.23

Finding the Fourth Proportional to 127,590.64, 176,081.98 and 71,003.23

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Solution

The fourth proportional to 127,590.64, 176,081.98 and 71,003.23 is: 97,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590.64 : 176,081.98 = 71,003.23 : x
  2. Step 2: Convert to fraction form
    127,590.64/176,081.98 = 71,003.23/x
  3. Step 3: Cross multiply
    127,590.64x = 176,081.98 × 71,003.23
  4. Step 4: Simplify right side
    127,590.64x = 12,502,389,324.80
  5. Step 5: Solve for x
    x = 12,502,389,324.80/127,590.64
  6. Step 6: Final answer
    x = 97,988.30

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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.