Home / 130,819.75-196,258.89-47,713.75

Finding the Fourth Proportional to 130,819.75, 196,258.89 and 47,713.75

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Solution

The fourth proportional to 130,819.75, 196,258.89 and 47,713.75 is: 71,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,819.75 : 196,258.89 = 47,713.75 : x
  2. Step 2: Convert to fraction form
    130,819.75/196,258.89 = 47,713.75/x
  3. Step 3: Cross multiply
    130,819.75x = 196,258.89 × 47,713.75
  4. Step 4: Simplify right side
    130,819.75x = 9,364,247,612.74
  5. Step 5: Solve for x
    x = 9,364,247,612.74/130,819.75
  6. Step 6: Final answer
    x = 71,581.30

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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.