Home / 157,530.15-236,233.80-68,723.10

Finding the Fourth Proportional to 157,530.15, 236,233.80 and 68,723.10

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Solution

The fourth proportional to 157,530.15, 236,233.80 and 68,723.10 is: 103,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,530.15 : 236,233.80 = 68,723.10 : x
  2. Step 2: Convert to fraction form
    157,530.15/236,233.80 = 68,723.10/x
  3. Step 3: Cross multiply
    157,530.15x = 236,233.80 × 68,723.10
  4. Step 4: Simplify right side
    157,530.15x = 16,234,719,060.78
  5. Step 5: Solve for x
    x = 16,234,719,060.78/157,530.15
  6. Step 6: Final answer
    x = 103,057.85

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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.