Home / 252,393.32-378,508.06-83,868.42

Finding the Fourth Proportional to 252,393.32, 378,508.06 and 83,868.42

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Solution

The fourth proportional to 252,393.32, 378,508.06 and 83,868.42 is: 125,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,393.32 : 378,508.06 = 83,868.42 : x
  2. Step 2: Convert to fraction form
    252,393.32/378,508.06 = 83,868.42/x
  3. Step 3: Cross multiply
    252,393.32x = 378,508.06 × 83,868.42
  4. Step 4: Simplify right side
    252,393.32x = 31,744,872,949.47
  5. Step 5: Solve for x
    x = 31,744,872,949.47/252,393.32
  6. Step 6: Final answer
    x = 125,775.41

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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.