Home / 103,845.80-143,307.78-58,524.50

Finding the Fourth Proportional to 103,845.80, 143,307.78 and 58,524.50

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Solution

The fourth proportional to 103,845.80, 143,307.78 and 58,524.50 is: 80,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.80 : 143,307.78 = 58,524.50 : x
  2. Step 2: Convert to fraction form
    103,845.80/143,307.78 = 58,524.50/x
  3. Step 3: Cross multiply
    103,845.80x = 143,307.78 × 58,524.50
  4. Step 4: Simplify right side
    103,845.80x = 8,387,016,170.61
  5. Step 5: Solve for x
    x = 8,387,016,170.61/103,845.80
  6. Step 6: Final answer
    x = 80,764.13

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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.