Home / 141,852.80-195,750.96-77,320.61

Finding the Fourth Proportional to 141,852.80, 195,750.96 and 77,320.61

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Solution

The fourth proportional to 141,852.80, 195,750.96 and 77,320.61 is: 106,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,852.80 : 195,750.96 = 77,320.61 : x
  2. Step 2: Convert to fraction form
    141,852.80/195,750.96 = 77,320.61/x
  3. Step 3: Cross multiply
    141,852.80x = 195,750.96 × 77,320.61
  4. Step 4: Simplify right side
    141,852.80x = 15,135,583,680.55
  5. Step 5: Solve for x
    x = 15,135,583,680.55/141,852.80
  6. Step 6: Final answer
    x = 106,699.23

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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.