Home / 132,336.10-198,176.10-84,878.20

Finding the Fourth Proportional to 132,336.10, 198,176.10 and 84,878.20

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Solution

The fourth proportional to 132,336.10, 198,176.10 and 84,878.20 is: 127,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,336.10 : 198,176.10 = 84,878.20 : x
  2. Step 2: Convert to fraction form
    132,336.10/198,176.10 = 84,878.20/x
  3. Step 3: Cross multiply
    132,336.10x = 198,176.10 × 84,878.20
  4. Step 4: Simplify right side
    132,336.10x = 16,820,830,651.02
  5. Step 5: Solve for x
    x = 16,820,830,651.02/132,336.10
  6. Step 6: Final answer
    x = 127,106.89

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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.