Home / 132,045.40-198,359.70-127,088.20

Finding the Fourth Proportional to 132,045.40, 198,359.70 and 127,088.20

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Solution

The fourth proportional to 132,045.40, 198,359.70 and 127,088.20 is: 190,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,045.40 : 198,359.70 = 127,088.20 : x
  2. Step 2: Convert to fraction form
    132,045.40/198,359.70 = 127,088.20/x
  3. Step 3: Cross multiply
    132,045.40x = 198,359.70 × 127,088.20
  4. Step 4: Simplify right side
    132,045.40x = 25,209,177,225.54
  5. Step 5: Solve for x
    x = 25,209,177,225.54/132,045.40
  6. Step 6: Final answer
    x = 190,912.95

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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.