Home / 213,480.18-319,777.38-124,463.70

Finding the Fourth Proportional to 213,480.18, 319,777.38 and 124,463.70

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Solution

The fourth proportional to 213,480.18, 319,777.38 and 124,463.70 is: 186,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,480.18 : 319,777.38 = 124,463.70 : x
  2. Step 2: Convert to fraction form
    213,480.18/319,777.38 = 124,463.70/x
  3. Step 3: Cross multiply
    213,480.18x = 319,777.38 × 124,463.70
  4. Step 4: Simplify right side
    213,480.18x = 39,800,675,891.11
  5. Step 5: Solve for x
    x = 39,800,675,891.11/213,480.18
  6. Step 6: Final answer
    x = 186,437.34

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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.