Home / 127,597.80-176,085.06-71,007.96

Finding the Fourth Proportional to 127,597.80, 176,085.06 and 71,007.96

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Solution

The fourth proportional to 127,597.80, 176,085.06 and 71,007.96 is: 97,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,597.80 : 176,085.06 = 71,007.96 : x
  2. Step 2: Convert to fraction form
    127,597.80/176,085.06 = 71,007.96/x
  3. Step 3: Cross multiply
    127,597.80x = 176,085.06 × 71,007.96
  4. Step 4: Simplify right side
    127,597.80x = 12,503,440,897.08
  5. Step 5: Solve for x
    x = 12,503,440,897.08/127,597.80
  6. Step 6: Final answer
    x = 97,991.04

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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.