Home / 132,110.20-198,165.30-122,001.40

Finding the Fourth Proportional to 132,110.20, 198,165.30 and 122,001.40

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Solution

The fourth proportional to 132,110.20, 198,165.30 and 122,001.40 is: 183,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,110.20 : 198,165.30 = 122,001.40 : x
  2. Step 2: Convert to fraction form
    132,110.20/198,165.30 = 122,001.40/x
  3. Step 3: Cross multiply
    132,110.20x = 198,165.30 × 122,001.40
  4. Step 4: Simplify right side
    132,110.20x = 24,176,444,031.42
  5. Step 5: Solve for x
    x = 24,176,444,031.42/132,110.20
  6. Step 6: Final answer
    x = 183,002.10

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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.