Home / 103,677.62-143,079.67-58,358.53

Finding the Fourth Proportional to 103,677.62, 143,079.67 and 58,358.53

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Solution

The fourth proportional to 103,677.62, 143,079.67 and 58,358.53 is: 80,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,677.62 : 143,079.67 = 58,358.53 : x
  2. Step 2: Convert to fraction form
    103,677.62/143,079.67 = 58,358.53/x
  3. Step 3: Cross multiply
    103,677.62x = 143,079.67 × 58,358.53
  4. Step 4: Simplify right side
    103,677.62x = 8,349,919,214.09
  5. Step 5: Solve for x
    x = 8,349,919,214.09/103,677.62
  6. Step 6: Final answer
    x = 80,537.34

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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.