Home / 132,877.80-199,316.70-131,711.40

Finding the Fourth Proportional to 132,877.80, 199,316.70 and 131,711.40

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Solution

The fourth proportional to 132,877.80, 199,316.70 and 131,711.40 is: 197,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.80 : 199,316.70 = 131,711.40 : x
  2. Step 2: Convert to fraction form
    132,877.80/199,316.70 = 131,711.40/x
  3. Step 3: Cross multiply
    132,877.80x = 199,316.70 × 131,711.40
  4. Step 4: Simplify right side
    132,877.80x = 26,252,281,600.38
  5. Step 5: Solve for x
    x = 26,252,281,600.38/132,877.80
  6. Step 6: Final answer
    x = 197,567.10

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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.