Home / 127,850.12-176,433.36-71,260.28

Finding the Fourth Proportional to 127,850.12, 176,433.36 and 71,260.28

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Solution

The fourth proportional to 127,850.12, 176,433.36 and 71,260.28 is: 98,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,850.12 : 176,433.36 = 71,260.28 : x
  2. Step 2: Convert to fraction form
    127,850.12/176,433.36 = 71,260.28/x
  3. Step 3: Cross multiply
    127,850.12x = 176,433.36 × 71,260.28
  4. Step 4: Simplify right side
    127,850.12x = 12,572,690,634.94
  5. Step 5: Solve for x
    x = 12,572,690,634.94/127,850.12
  6. Step 6: Final answer
    x = 98,339.29

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1.5x scale

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.