Home / 141,848.95-195,750.30-77,318.20

Finding the Fourth Proportional to 141,848.95, 195,750.30 and 77,318.20

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Solution

The fourth proportional to 141,848.95, 195,750.30 and 77,318.20 is: 106,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,848.95 : 195,750.30 = 77,318.20 : x
  2. Step 2: Convert to fraction form
    141,848.95/195,750.30 = 77,318.20/x
  3. Step 3: Cross multiply
    141,848.95x = 195,750.30 × 77,318.20
  4. Step 4: Simplify right side
    141,848.95x = 15,135,059,626.62
  5. Step 5: Solve for x
    x = 15,135,059,626.62/141,848.95
  6. Step 6: Final answer
    x = 106,698.43

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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.