Home / 127,840.68-176,426.15-71,252.46

Finding the Fourth Proportional to 127,840.68, 176,426.15 and 71,252.46

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Solution

The fourth proportional to 127,840.68, 176,426.15 and 71,252.46 is: 98,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,840.68 : 176,426.15 = 71,252.46 : x
  2. Step 2: Convert to fraction form
    127,840.68/176,426.15 = 71,252.46/x
  3. Step 3: Cross multiply
    127,840.68x = 176,426.15 × 71,252.46
  4. Step 4: Simplify right side
    127,840.68x = 12,570,796,839.57
  5. Step 5: Solve for x
    x = 12,570,796,839.57/127,840.68
  6. Step 6: Final answer
    x = 98,331.74

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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.