Home / 141,790.86-195,685.18-105,918.59

Finding the Fourth Proportional to 141,790.86, 195,685.18 and 105,918.59

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Solution

The fourth proportional to 141,790.86, 195,685.18 and 105,918.59 is: 146,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,790.86 : 195,685.18 = 105,918.59 : x
  2. Step 2: Convert to fraction form
    141,790.86/195,685.18 = 105,918.59/x
  3. Step 3: Cross multiply
    141,790.86x = 195,685.18 × 105,918.59
  4. Step 4: Simplify right side
    141,790.86x = 20,726,698,573.91
  5. Step 5: Solve for x
    x = 20,726,698,573.91/141,790.86
  6. Step 6: Final answer
    x = 146,177.96

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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.