Home / 127,668.13-176,187.48-71,079.50

Finding the Fourth Proportional to 127,668.13, 176,187.48 and 71,079.50

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Solution

The fourth proportional to 127,668.13, 176,187.48 and 71,079.50 is: 98,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,668.13 : 176,187.48 = 71,079.50 : x
  2. Step 2: Convert to fraction form
    127,668.13/176,187.48 = 71,079.50/x
  3. Step 3: Cross multiply
    127,668.13x = 176,187.48 × 71,079.50
  4. Step 4: Simplify right side
    127,668.13x = 12,523,317,984.66
  5. Step 5: Solve for x
    x = 12,523,317,984.66/127,668.13
  6. Step 6: Final answer
    x = 98,092.75

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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.