Home / 132,256.81-198,206.65-61,979.05

Finding the Fourth Proportional to 132,256.81, 198,206.65 and 61,979.05

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Solution

The fourth proportional to 132,256.81, 198,206.65 and 61,979.05 is: 92,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,256.81 : 198,206.65 = 61,979.05 : x
  2. Step 2: Convert to fraction form
    132,256.81/198,206.65 = 61,979.05/x
  3. Step 3: Cross multiply
    132,256.81x = 198,206.65 × 61,979.05
  4. Step 4: Simplify right side
    132,256.81x = 12,284,659,870.68
  5. Step 5: Solve for x
    x = 12,284,659,870.68/132,256.81
  6. Step 6: Final answer
    x = 92,884.89

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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.