Home / 127,829.29-176,405.31-71,244.31

Finding the Fourth Proportional to 127,829.29, 176,405.31 and 71,244.31

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Solution

The fourth proportional to 127,829.29, 176,405.31 and 71,244.31 is: 98,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,829.29 : 176,405.31 = 71,244.31 : x
  2. Step 2: Convert to fraction form
    127,829.29/176,405.31 = 71,244.31/x
  3. Step 3: Cross multiply
    127,829.29x = 176,405.31 × 71,244.31
  4. Step 4: Simplify right side
    127,829.29x = 12,567,874,591.29
  5. Step 5: Solve for x
    x = 12,567,874,591.29/127,829.29
  6. Step 6: Final answer
    x = 98,317.64

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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.