Home / 141,052.91-211,766.94-81,931.01

Finding the Fourth Proportional to 141,052.91, 211,766.94 and 81,931.01

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Solution

The fourth proportional to 141,052.91, 211,766.94 and 81,931.01 is: 123,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,052.91 : 211,766.94 = 81,931.01 : x
  2. Step 2: Convert to fraction form
    141,052.91/211,766.94 = 81,931.01/x
  3. Step 3: Cross multiply
    141,052.91x = 211,766.94 × 81,931.01
  4. Step 4: Simplify right side
    141,052.91x = 17,350,278,219.97
  5. Step 5: Solve for x
    x = 17,350,278,219.97/141,052.91
  6. Step 6: Final answer
    x = 123,005.47

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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.