Home / 132,357.40-198,536.10-76,370.20

Finding the Fourth Proportional to 132,357.40, 198,536.10 and 76,370.20

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Solution

The fourth proportional to 132,357.40, 198,536.10 and 76,370.20 is: 114,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,357.40 : 198,536.10 = 76,370.20 : x
  2. Step 2: Convert to fraction form
    132,357.40/198,536.10 = 76,370.20/x
  3. Step 3: Cross multiply
    132,357.40x = 198,536.10 × 76,370.20
  4. Step 4: Simplify right side
    132,357.40x = 15,162,241,664.22
  5. Step 5: Solve for x
    x = 15,162,241,664.22/132,357.40
  6. Step 6: Final answer
    x = 114,555.30

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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.