Home / 185,165.64-277,691.16-66,822

Finding the Fourth Proportional to 185,165.64, 277,691.16 and 66,822

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Solution

The fourth proportional to 185,165.64, 277,691.16 and 66,822 is: 100,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,165.64 : 277,691.16 = 66,822 : x
  2. Step 2: Convert to fraction form
    185,165.64/277,691.16 = 66,822/x
  3. Step 3: Cross multiply
    185,165.64x = 277,691.16 × 66,822
  4. Step 4: Simplify right side
    185,165.64x = 18,555,878,693.52
  5. Step 5: Solve for x
    x = 18,555,878,693.52/185,165.64
  6. Step 6: Final answer
    x = 100,212.32

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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.