Home / 157,115.55-236,165.40-154,163.10

Finding the Fourth Proportional to 157,115.55, 236,165.40 and 154,163.10

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Solution

The fourth proportional to 157,115.55, 236,165.40 and 154,163.10 is: 231,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,115.55 : 236,165.40 = 154,163.10 : x
  2. Step 2: Convert to fraction form
    157,115.55/236,165.40 = 154,163.10/x
  3. Step 3: Cross multiply
    157,115.55x = 236,165.40 × 154,163.10
  4. Step 4: Simplify right side
    157,115.55x = 36,407,990,176.74
  5. Step 5: Solve for x
    x = 36,407,990,176.74/157,115.55
  6. Step 6: Final answer
    x = 231,727.48

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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.