Home / 198,711.28-274,223.40-108,068.12

Finding the Fourth Proportional to 198,711.28, 274,223.40 and 108,068.12

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Solution

The fourth proportional to 198,711.28, 274,223.40 and 108,068.12 is: 149,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,711.28 : 274,223.40 = 108,068.12 : x
  2. Step 2: Convert to fraction form
    198,711.28/274,223.40 = 108,068.12/x
  3. Step 3: Cross multiply
    198,711.28x = 274,223.40 × 108,068.12
  4. Step 4: Simplify right side
    198,711.28x = 29,634,807,298.01
  5. Step 5: Solve for x
    x = 29,634,807,298.01/198,711.28
  6. Step 6: Final answer
    x = 149,135.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.