Home / 94,727.80-141,962.10-77,231.80

Finding the Fourth Proportional to 94,727.80, 141,962.10 and 77,231.80

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Solution

The fourth proportional to 94,727.80, 141,962.10 and 77,231.80 is: 115,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,727.80 : 141,962.10 = 77,231.80 : x
  2. Step 2: Convert to fraction form
    94,727.80/141,962.10 = 77,231.80/x
  3. Step 3: Cross multiply
    94,727.80x = 141,962.10 × 77,231.80
  4. Step 4: Simplify right side
    94,727.80x = 10,963,988,514.78
  5. Step 5: Solve for x
    x = 10,963,988,514.78/94,727.80
  6. Step 6: Final answer
    x = 115,742.04

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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.