Home / 129,134.18-193,719.75-62,519.62

Finding the Fourth Proportional to 129,134.18, 193,719.75 and 62,519.62

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Solution

The fourth proportional to 129,134.18, 193,719.75 and 62,519.62 is: 93,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,134.18 : 193,719.75 = 62,519.62 : x
  2. Step 2: Convert to fraction form
    129,134.18/193,719.75 = 62,519.62/x
  3. Step 3: Cross multiply
    129,134.18x = 193,719.75 × 62,519.62
  4. Step 4: Simplify right side
    129,134.18x = 12,111,285,156.50
  5. Step 5: Solve for x
    x = 12,111,285,156.50/129,134.18
  6. Step 6: Final answer
    x = 93,788.38

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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.