Home / 218,963.88-328,148.50-124,149.24

Finding the Fourth Proportional to 218,963.88, 328,148.50 and 124,149.24

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Solution

The fourth proportional to 218,963.88, 328,148.50 and 124,149.24 is: 186,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,963.88 : 328,148.50 = 124,149.24 : x
  2. Step 2: Convert to fraction form
    218,963.88/328,148.50 = 124,149.24/x
  3. Step 3: Cross multiply
    218,963.88x = 328,148.50 × 124,149.24
  4. Step 4: Simplify right side
    218,963.88x = 40,739,386,882.14
  5. Step 5: Solve for x
    x = 40,739,386,882.14/218,963.88
  6. Step 6: Final answer
    x = 186,055.28

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1.5x scale

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.