Home / 141,609.42-195,419.66-77,946.66

Finding the Fourth Proportional to 141,609.42, 195,419.66 and 77,946.66

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Solution

The fourth proportional to 141,609.42, 195,419.66 and 77,946.66 is: 107,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,609.42 : 195,419.66 = 77,946.66 : x
  2. Step 2: Convert to fraction form
    141,609.42/195,419.66 = 77,946.66/x
  3. Step 3: Cross multiply
    141,609.42x = 195,419.66 × 77,946.66
  4. Step 4: Simplify right side
    141,609.42x = 15,232,309,405.60
  5. Step 5: Solve for x
    x = 15,232,309,405.60/141,609.42
  6. Step 6: Final answer
    x = 107,565.65

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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.