Home / 130,199.92-194,981.39-117,578.20

Finding the Fourth Proportional to 130,199.92, 194,981.39 and 117,578.20

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Solution

The fourth proportional to 130,199.92, 194,981.39 and 117,578.20 is: 176,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,199.92 : 194,981.39 = 117,578.20 : x
  2. Step 2: Convert to fraction form
    130,199.92/194,981.39 = 117,578.20/x
  3. Step 3: Cross multiply
    130,199.92x = 194,981.39 × 117,578.20
  4. Step 4: Simplify right side
    130,199.92x = 22,925,559,306.90
  5. Step 5: Solve for x
    x = 22,925,559,306.90/130,199.92
  6. Step 6: Final answer
    x = 176,079.68

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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.