Home / 127,738.08-176,280.26-71,149.46

Finding the Fourth Proportional to 127,738.08, 176,280.26 and 71,149.46

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Solution

The fourth proportional to 127,738.08, 176,280.26 and 71,149.46 is: 98,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,738.08 : 176,280.26 = 71,149.46 : x
  2. Step 2: Convert to fraction form
    127,738.08/176,280.26 = 71,149.46/x
  3. Step 3: Cross multiply
    127,738.08x = 176,280.26 × 71,149.46
  4. Step 4: Simplify right side
    127,738.08x = 12,542,244,070.51
  5. Step 5: Solve for x
    x = 12,542,244,070.51/127,738.08
  6. Step 6: Final answer
    x = 98,187.20

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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.