Home / 134,902.45-202,517.70-68,308.30

Finding the Fourth Proportional to 134,902.45, 202,517.70 and 68,308.30

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Solution

The fourth proportional to 134,902.45, 202,517.70 and 68,308.30 is: 102,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,902.45 : 202,517.70 = 68,308.30 : x
  2. Step 2: Convert to fraction form
    134,902.45/202,517.70 = 68,308.30/x
  3. Step 3: Cross multiply
    134,902.45x = 202,517.70 × 68,308.30
  4. Step 4: Simplify right side
    134,902.45x = 13,833,639,806.91
  5. Step 5: Solve for x
    x = 13,833,639,806.91/134,902.45
  6. Step 6: Final answer
    x = 102,545.50

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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.