Home / 138,145.50-207,252.27-44,651.25

Finding the Fourth Proportional to 138,145.50, 207,252.27 and 44,651.25

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Solution

The fourth proportional to 138,145.50, 207,252.27 and 44,651.25 is: 66,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,145.50 : 207,252.27 = 44,651.25 : x
  2. Step 2: Convert to fraction form
    138,145.50/207,252.27 = 44,651.25/x
  3. Step 3: Cross multiply
    138,145.50x = 207,252.27 × 44,651.25
  4. Step 4: Simplify right side
    138,145.50x = 9,254,072,920.84
  5. Step 5: Solve for x
    x = 9,254,072,920.84/138,145.50
  6. Step 6: Final answer
    x = 66,987.87

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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.