Home / 115,151.76-172,713.96-40,266.18

Finding the Fourth Proportional to 115,151.76, 172,713.96 and 40,266.18

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Solution

The fourth proportional to 115,151.76, 172,713.96 and 40,266.18 is: 60,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.76 : 172,713.96 = 40,266.18 : x
  2. Step 2: Convert to fraction form
    115,151.76/172,713.96 = 40,266.18/x
  3. Step 3: Cross multiply
    115,151.76x = 172,713.96 × 40,266.18
  4. Step 4: Simplify right side
    115,151.76x = 6,954,531,401.87
  5. Step 5: Solve for x
    x = 6,954,531,401.87/115,151.76
  6. Step 6: Final answer
    x = 60,394.49

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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.