Home / 127,008.72-175,271.99-68,865.50

Finding the Fourth Proportional to 127,008.72, 175,271.99 and 68,865.50

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Solution

The fourth proportional to 127,008.72, 175,271.99 and 68,865.50 is: 95,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008.72 : 175,271.99 = 68,865.50 : x
  2. Step 2: Convert to fraction form
    127,008.72/175,271.99 = 68,865.50/x
  3. Step 3: Cross multiply
    127,008.72x = 175,271.99 × 68,865.50
  4. Step 4: Simplify right side
    127,008.72x = 12,070,193,321.20
  5. Step 5: Solve for x
    x = 12,070,193,321.20/127,008.72
  6. Step 6: Final answer
    x = 95,034.37

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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.