Home / 132,351.40-198,527.10-76,364.20

Finding the Fourth Proportional to 132,351.40, 198,527.10 and 76,364.20

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Solution

The fourth proportional to 132,351.40, 198,527.10 and 76,364.20 is: 114,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,351.40 : 198,527.10 = 76,364.20 : x
  2. Step 2: Convert to fraction form
    132,351.40/198,527.10 = 76,364.20/x
  3. Step 3: Cross multiply
    132,351.40x = 198,527.10 × 76,364.20
  4. Step 4: Simplify right side
    132,351.40x = 15,160,363,169.82
  5. Step 5: Solve for x
    x = 15,160,363,169.82/132,351.40
  6. Step 6: Final answer
    x = 114,546.30

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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.