Home / 130,819.80-196,229.70-47,746.20

Finding the Fourth Proportional to 130,819.80, 196,229.70 and 47,746.20

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Solution

The fourth proportional to 130,819.80, 196,229.70 and 47,746.20 is: 71,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,819.80 : 196,229.70 = 47,746.20 : x
  2. Step 2: Convert to fraction form
    130,819.80/196,229.70 = 47,746.20/x
  3. Step 3: Cross multiply
    130,819.80x = 196,229.70 × 47,746.20
  4. Step 4: Simplify right side
    130,819.80x = 9,369,222,502.14
  5. Step 5: Solve for x
    x = 9,369,222,502.14/130,819.80
  6. Step 6: Final answer
    x = 71,619.30

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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.