Home / 127,296.27-175,668.93-69,939.30

Finding the Fourth Proportional to 127,296.27, 175,668.93 and 69,939.30

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Solution

The fourth proportional to 127,296.27, 175,668.93 and 69,939.30 is: 96,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,296.27 : 175,668.93 = 69,939.30 : x
  2. Step 2: Convert to fraction form
    127,296.27/175,668.93 = 69,939.30/x
  3. Step 3: Cross multiply
    127,296.27x = 175,668.93 × 69,939.30
  4. Step 4: Simplify right side
    127,296.27x = 12,286,161,995.95
  5. Step 5: Solve for x
    x = 12,286,161,995.95/127,296.27
  6. Step 6: Final answer
    x = 96,516.28

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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.