Home / 178,863.18-268,302.92-126,506.40

Finding the Fourth Proportional to 178,863.18, 268,302.92 and 126,506.40

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Solution

The fourth proportional to 178,863.18, 268,302.92 and 126,506.40 is: 189,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,863.18 : 268,302.92 = 126,506.40 : x
  2. Step 2: Convert to fraction form
    178,863.18/268,302.92 = 126,506.40/x
  3. Step 3: Cross multiply
    178,863.18x = 268,302.92 × 126,506.40
  4. Step 4: Simplify right side
    178,863.18x = 33,942,036,518.69
  5. Step 5: Solve for x
    x = 33,942,036,518.69/178,863.18
  6. Step 6: Final answer
    x = 189,765.36

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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.