Home / 130,778.28-196,031.34-60,599.88

Finding the Fourth Proportional to 130,778.28, 196,031.34 and 60,599.88

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Solution

The fourth proportional to 130,778.28, 196,031.34 and 60,599.88 is: 90,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,778.28 : 196,031.34 = 60,599.88 : x
  2. Step 2: Convert to fraction form
    130,778.28/196,031.34 = 60,599.88/x
  3. Step 3: Cross multiply
    130,778.28x = 196,031.34 × 60,599.88
  4. Step 4: Simplify right side
    130,778.28x = 11,879,475,680.24
  5. Step 5: Solve for x
    x = 11,879,475,680.24/130,778.28
  6. Step 6: Final answer
    x = 90,836.76

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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.