Home / 141,722.86-195,577.51-78,060.65

Finding the Fourth Proportional to 141,722.86, 195,577.51 and 78,060.65

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Solution

The fourth proportional to 141,722.86, 195,577.51 and 78,060.65 is: 107,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,722.86 : 195,577.51 = 78,060.65 : x
  2. Step 2: Convert to fraction form
    141,722.86/195,577.51 = 78,060.65/x
  3. Step 3: Cross multiply
    141,722.86x = 195,577.51 × 78,060.65
  4. Step 4: Simplify right side
    141,722.86x = 15,266,908,044.93
  5. Step 5: Solve for x
    x = 15,266,908,044.93/141,722.86
  6. Step 6: Final answer
    x = 107,723.68

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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.