Home / 141,684.86-195,473.73-80,395.55

Finding the Fourth Proportional to 141,684.86, 195,473.73 and 80,395.55

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Solution

The fourth proportional to 141,684.86, 195,473.73 and 80,395.55 is: 110,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,684.86 : 195,473.73 = 80,395.55 : x
  2. Step 2: Convert to fraction form
    141,684.86/195,473.73 = 80,395.55/x
  3. Step 3: Cross multiply
    141,684.86x = 195,473.73 × 80,395.55
  4. Step 4: Simplify right side
    141,684.86x = 15,715,217,056.53
  5. Step 5: Solve for x
    x = 15,715,217,056.53/141,684.86
  6. Step 6: Final answer
    x = 110,916.70

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1.5x scale

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.