Home / 129,979.19-194,819.34-59,710.88

Finding the Fourth Proportional to 129,979.19, 194,819.34 and 59,710.88

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Solution

The fourth proportional to 129,979.19, 194,819.34 and 59,710.88 is: 89,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,979.19 : 194,819.34 = 59,710.88 : x
  2. Step 2: Convert to fraction form
    129,979.19/194,819.34 = 59,710.88/x
  3. Step 3: Cross multiply
    129,979.19x = 194,819.34 × 59,710.88
  4. Step 4: Simplify right side
    129,979.19x = 11,632,834,232.42
  5. Step 5: Solve for x
    x = 11,632,834,232.42/129,979.19
  6. Step 6: Final answer
    x = 89,497.67

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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.