Home / 147,195.28-220,639.56-68,244.40

Finding the Fourth Proportional to 147,195.28, 220,639.56 and 68,244.40

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Solution

The fourth proportional to 147,195.28, 220,639.56 and 68,244.40 is: 102,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,195.28 : 220,639.56 = 68,244.40 : x
  2. Step 2: Convert to fraction form
    147,195.28/220,639.56 = 68,244.40/x
  3. Step 3: Cross multiply
    147,195.28x = 220,639.56 × 68,244.40
  4. Step 4: Simplify right side
    147,195.28x = 15,057,414,388.46
  5. Step 5: Solve for x
    x = 15,057,414,388.46/147,195.28
  6. Step 6: Final answer
    x = 102,295.50

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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.