Home / 141,356.30-195,073.20-76,825.54

Finding the Fourth Proportional to 141,356.30, 195,073.20 and 76,825.54

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Solution

The fourth proportional to 141,356.30, 195,073.20 and 76,825.54 is: 106,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,356.30 : 195,073.20 = 76,825.54 : x
  2. Step 2: Convert to fraction form
    141,356.30/195,073.20 = 76,825.54/x
  3. Step 3: Cross multiply
    141,356.30x = 195,073.20 × 76,825.54
  4. Step 4: Simplify right side
    141,356.30x = 14,986,602,570.03
  5. Step 5: Solve for x
    x = 14,986,602,570.03/141,356.30
  6. Step 6: Final answer
    x = 106,020.05

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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.