Home / 101,250.25-139,732.98-58,242.89

Finding the Fourth Proportional to 101,250.25, 139,732.98 and 58,242.89

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Solution

The fourth proportional to 101,250.25, 139,732.98 and 58,242.89 is: 80,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.25 : 139,732.98 = 58,242.89 : x
  2. Step 2: Convert to fraction form
    101,250.25/139,732.98 = 58,242.89/x
  3. Step 3: Cross multiply
    101,250.25x = 139,732.98 × 58,242.89
  4. Step 4: Simplify right side
    101,250.25x = 8,138,452,583.51
  5. Step 5: Solve for x
    x = 8,138,452,583.51/101,250.25
  6. Step 6: Final answer
    x = 80,379.58

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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.