Home / 132,442.10-198,893.55-70,234.10

Finding the Fourth Proportional to 132,442.10, 198,893.55 and 70,234.10

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Solution

The fourth proportional to 132,442.10, 198,893.55 and 70,234.10 is: 105,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,442.10 : 198,893.55 = 70,234.10 : x
  2. Step 2: Convert to fraction form
    132,442.10/198,893.55 = 70,234.10/x
  3. Step 3: Cross multiply
    132,442.10x = 198,893.55 × 70,234.10
  4. Step 4: Simplify right side
    132,442.10x = 13,969,109,480.06
  5. Step 5: Solve for x
    x = 13,969,109,480.06/132,442.10
  6. Step 6: Final answer
    x = 105,473.33

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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.