Home / 185,270.91-255,674.04-100,387.98

Finding the Fourth Proportional to 185,270.91, 255,674.04 and 100,387.98

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Solution

The fourth proportional to 185,270.91, 255,674.04 and 100,387.98 is: 138,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,270.91 : 255,674.04 = 100,387.98 : x
  2. Step 2: Convert to fraction form
    185,270.91/255,674.04 = 100,387.98/x
  3. Step 3: Cross multiply
    185,270.91x = 255,674.04 × 100,387.98
  4. Step 4: Simplify right side
    185,270.91x = 25,666,600,414.04
  5. Step 5: Solve for x
    x = 25,666,600,414.04/185,270.91
  6. Step 6: Final answer
    x = 138,535.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.