Home / 141,516.45-195,285.65-77,852.61

Finding the Fourth Proportional to 141,516.45, 195,285.65 and 77,852.61

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Solution

The fourth proportional to 141,516.45, 195,285.65 and 77,852.61 is: 107,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,516.45 : 195,285.65 = 77,852.61 : x
  2. Step 2: Convert to fraction form
    141,516.45/195,285.65 = 77,852.61/x
  3. Step 3: Cross multiply
    141,516.45x = 195,285.65 × 77,852.61
  4. Step 4: Simplify right side
    141,516.45x = 15,203,497,158.78
  5. Step 5: Solve for x
    x = 15,203,497,158.78/141,516.45
  6. Step 6: Final answer
    x = 107,432.72

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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.