Home / 230,729.32-318,406.53-127,363.58

Finding the Fourth Proportional to 230,729.32, 318,406.53 and 127,363.58

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Solution

The fourth proportional to 230,729.32, 318,406.53 and 127,363.58 is: 175,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,729.32 : 318,406.53 = 127,363.58 : x
  2. Step 2: Convert to fraction form
    230,729.32/318,406.53 = 127,363.58/x
  3. Step 3: Cross multiply
    230,729.32x = 318,406.53 × 127,363.58
  4. Step 4: Simplify right side
    230,729.32x = 40,553,395,556.18
  5. Step 5: Solve for x
    x = 40,553,395,556.18/230,729.32
  6. Step 6: Final answer
    x = 175,761.78

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1.5x scale

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.