Home / 141,713.38-212,070.62-88,430.46

Finding the Fourth Proportional to 141,713.38, 212,070.62 and 88,430.46

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Solution

The fourth proportional to 141,713.38, 212,070.62 and 88,430.46 is: 132,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.38 : 212,070.62 = 88,430.46 : x
  2. Step 2: Convert to fraction form
    141,713.38/212,070.62 = 88,430.46/x
  3. Step 3: Cross multiply
    141,713.38x = 212,070.62 × 88,430.46
  4. Step 4: Simplify right side
    141,713.38x = 18,753,502,479.09
  5. Step 5: Solve for x
    x = 18,753,502,479.09/141,713.38
  6. Step 6: Final answer
    x = 132,334.03

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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.