Home / 130,621.20-196,019.17-47,515.20

Finding the Fourth Proportional to 130,621.20, 196,019.17 and 47,515.20

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Solution

The fourth proportional to 130,621.20, 196,019.17 and 47,515.20 is: 71,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,621.20 : 196,019.17 = 47,515.20 : x
  2. Step 2: Convert to fraction form
    130,621.20/196,019.17 = 47,515.20/x
  3. Step 3: Cross multiply
    130,621.20x = 196,019.17 × 47,515.20
  4. Step 4: Simplify right side
    130,621.20x = 9,313,889,086.29
  5. Step 5: Solve for x
    x = 9,313,889,086.29/130,621.20
  6. Step 6: Final answer
    x = 71,304.58

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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.