Home / 141,581.22-212,470.20-91,537.20

Finding the Fourth Proportional to 141,581.22, 212,470.20 and 91,537.20

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Solution

The fourth proportional to 141,581.22, 212,470.20 and 91,537.20 is: 137,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,581.22 : 212,470.20 = 91,537.20 : x
  2. Step 2: Convert to fraction form
    141,581.22/212,470.20 = 91,537.20/x
  3. Step 3: Cross multiply
    141,581.22x = 212,470.20 × 91,537.20
  4. Step 4: Simplify right side
    141,581.22x = 19,448,927,191.44
  5. Step 5: Solve for x
    x = 19,448,927,191.44/141,581.22
  6. Step 6: Final answer
    x = 137,369.40

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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.