Home / 132,317.40-198,476.10-87,799.80

Finding the Fourth Proportional to 132,317.40, 198,476.10 and 87,799.80

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Solution

The fourth proportional to 132,317.40, 198,476.10 and 87,799.80 is: 131,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,317.40 : 198,476.10 = 87,799.80 : x
  2. Step 2: Convert to fraction form
    132,317.40/198,476.10 = 87,799.80/x
  3. Step 3: Cross multiply
    132,317.40x = 198,476.10 × 87,799.80
  4. Step 4: Simplify right side
    132,317.40x = 17,426,161,884.78
  5. Step 5: Solve for x
    x = 17,426,161,884.78/132,317.40
  6. Step 6: Final answer
    x = 131,699.70

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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.