Home / 127,862.92-176,448.90-71,272.84

Finding the Fourth Proportional to 127,862.92, 176,448.90 and 71,272.84

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Solution

The fourth proportional to 127,862.92, 176,448.90 and 71,272.84 is: 98,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,862.92 : 176,448.90 = 71,272.84 : x
  2. Step 2: Convert to fraction form
    127,862.92/176,448.90 = 71,272.84/x
  3. Step 3: Cross multiply
    127,862.92x = 176,448.90 × 71,272.84
  4. Step 4: Simplify right side
    127,862.92x = 12,576,014,217.88
  5. Step 5: Solve for x
    x = 12,576,014,217.88/127,862.92
  6. Step 6: Final answer
    x = 98,355.44

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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.