Home / 141,605.31-195,416.92-77,074.94

Finding the Fourth Proportional to 141,605.31, 195,416.92 and 77,074.94

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Solution

The fourth proportional to 141,605.31, 195,416.92 and 77,074.94 is: 106,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,605.31 : 195,416.92 = 77,074.94 : x
  2. Step 2: Convert to fraction form
    141,605.31/195,416.92 = 77,074.94/x
  3. Step 3: Cross multiply
    141,605.31x = 195,416.92 × 77,074.94
  4. Step 4: Simplify right side
    141,605.31x = 15,061,746,998.61
  5. Step 5: Solve for x
    x = 15,061,746,998.61/141,605.31
  6. Step 6: Final answer
    x = 106,364.28

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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.