Home / 185,204.74-277,616.42-72,839.42

Finding the Fourth Proportional to 185,204.74, 277,616.42 and 72,839.42

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Solution

The fourth proportional to 185,204.74, 277,616.42 and 72,839.42 is: 109,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,204.74 : 277,616.42 = 72,839.42 : x
  2. Step 2: Convert to fraction form
    185,204.74/277,616.42 = 72,839.42/x
  3. Step 3: Cross multiply
    185,204.74x = 277,616.42 × 72,839.42
  4. Step 4: Simplify right side
    185,204.74x = 20,221,417,627.19
  5. Step 5: Solve for x
    x = 20,221,417,627.19/185,204.74
  6. Step 6: Final answer
    x = 109,184.13

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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.