Home / 141,575.87-195,374.27-77,913.62

Finding the Fourth Proportional to 141,575.87, 195,374.27 and 77,913.62

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Solution

The fourth proportional to 141,575.87, 195,374.27 and 77,913.62 is: 107,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,575.87 : 195,374.27 = 77,913.62 : x
  2. Step 2: Convert to fraction form
    141,575.87/195,374.27 = 77,913.62/x
  3. Step 3: Cross multiply
    141,575.87x = 195,374.27 × 77,913.62
  4. Step 4: Simplify right side
    141,575.87x = 15,222,315,264.12
  5. Step 5: Solve for x
    x = 15,222,315,264.12/141,575.87
  6. Step 6: Final answer
    x = 107,520.55

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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.