Home / 101,269.08-139,763.21-61,003.17

Finding the Fourth Proportional to 101,269.08, 139,763.21 and 61,003.17

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Solution

The fourth proportional to 101,269.08, 139,763.21 and 61,003.17 is: 84,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,269.08 : 139,763.21 = 61,003.17 : x
  2. Step 2: Convert to fraction form
    101,269.08/139,763.21 = 61,003.17/x
  3. Step 3: Cross multiply
    101,269.08x = 139,763.21 × 61,003.17
  4. Step 4: Simplify right side
    101,269.08x = 8,525,998,554.36
  5. Step 5: Solve for x
    x = 8,525,998,554.36/101,269.08
  6. Step 6: Final answer
    x = 84,191.53

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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.