Home / 129,417.46-194,134.56-40,674.68

Finding the Fourth Proportional to 129,417.46, 194,134.56 and 40,674.68

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Solution

The fourth proportional to 129,417.46, 194,134.56 and 40,674.68 is: 61,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,417.46 : 194,134.56 = 40,674.68 : x
  2. Step 2: Convert to fraction form
    129,417.46/194,134.56 = 40,674.68/x
  3. Step 3: Cross multiply
    129,417.46x = 194,134.56 × 40,674.68
  4. Step 4: Simplify right side
    129,417.46x = 7,896,361,104.94
  5. Step 5: Solve for x
    x = 7,896,361,104.94/129,417.46
  6. Step 6: Final answer
    x = 61,014.65

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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.