Home / 141,207.76-194,867.25-76,677.10

Finding the Fourth Proportional to 141,207.76, 194,867.25 and 76,677.10

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Solution

The fourth proportional to 141,207.76, 194,867.25 and 76,677.10 is: 105,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,207.76 : 194,867.25 = 76,677.10 : x
  2. Step 2: Convert to fraction form
    141,207.76/194,867.25 = 76,677.10/x
  3. Step 3: Cross multiply
    141,207.76x = 194,867.25 × 76,677.10
  4. Step 4: Simplify right side
    141,207.76x = 14,941,855,614.98
  5. Step 5: Solve for x
    x = 14,941,855,614.98/141,207.76
  6. Step 6: Final answer
    x = 105,814.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.