Home / 129,518.68-194,278.40-36,024.52

Finding the Fourth Proportional to 129,518.68, 194,278.40 and 36,024.52

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Solution

The fourth proportional to 129,518.68, 194,278.40 and 36,024.52 is: 54,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,518.68 : 194,278.40 = 36,024.52 : x
  2. Step 2: Convert to fraction form
    129,518.68/194,278.40 = 36,024.52/x
  3. Step 3: Cross multiply
    129,518.68x = 194,278.40 × 36,024.52
  4. Step 4: Simplify right side
    129,518.68x = 6,998,786,106.37
  5. Step 5: Solve for x
    x = 6,998,786,106.37/129,518.68
  6. Step 6: Final answer
    x = 54,036.89

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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.