Home / 138,077.55-207,114.23-62,122.44

Finding the Fourth Proportional to 138,077.55, 207,114.23 and 62,122.44

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Solution

The fourth proportional to 138,077.55, 207,114.23 and 62,122.44 is: 93,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077.55 : 207,114.23 = 62,122.44 : x
  2. Step 2: Convert to fraction form
    138,077.55/207,114.23 = 62,122.44/x
  3. Step 3: Cross multiply
    138,077.55x = 207,114.23 × 62,122.44
  4. Step 4: Simplify right side
    138,077.55x = 12,866,441,015.71
  5. Step 5: Solve for x
    x = 12,866,441,015.71/138,077.55
  6. Step 6: Final answer
    x = 93,182.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.