Home / 138,014.35-207,021.42-44,520.10

Finding the Fourth Proportional to 138,014.35, 207,021.42 and 44,520.10

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Solution

The fourth proportional to 138,014.35, 207,021.42 and 44,520.10 is: 66,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,014.35 : 207,021.42 = 44,520.10 : x
  2. Step 2: Convert to fraction form
    138,014.35/207,021.42 = 44,520.10/x
  3. Step 3: Cross multiply
    138,014.35x = 207,021.42 × 44,520.10
  4. Step 4: Simplify right side
    138,014.35x = 9,216,613,802.99
  5. Step 5: Solve for x
    x = 9,216,613,802.99/138,014.35
  6. Step 6: Final answer
    x = 66,780.11

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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.