Home / 141,186.16-211,779.32-88,632.55

Finding the Fourth Proportional to 141,186.16, 211,779.32 and 88,632.55

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Solution

The fourth proportional to 141,186.16, 211,779.32 and 88,632.55 is: 132,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.16 : 211,779.32 = 88,632.55 : x
  2. Step 2: Convert to fraction form
    141,186.16/211,779.32 = 88,632.55/x
  3. Step 3: Cross multiply
    141,186.16x = 211,779.32 × 88,632.55
  4. Step 4: Simplify right side
    141,186.16x = 18,770,541,168.87
  5. Step 5: Solve for x
    x = 18,770,541,168.87/141,186.16
  6. Step 6: Final answer
    x = 132,948.88

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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.