Home / 127,725.54-176,266.70-71,136.92

Finding the Fourth Proportional to 127,725.54, 176,266.70 and 71,136.92

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Solution

The fourth proportional to 127,725.54, 176,266.70 and 71,136.92 is: 98,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.54 : 176,266.70 = 71,136.92 : x
  2. Step 2: Convert to fraction form
    127,725.54/176,266.70 = 71,136.92/x
  3. Step 3: Cross multiply
    127,725.54x = 176,266.70 × 71,136.92
  4. Step 4: Simplify right side
    127,725.54x = 12,539,069,780.88
  5. Step 5: Solve for x
    x = 12,539,069,780.88/127,725.54
  6. Step 6: Final answer
    x = 98,171.98

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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.