Home / 101,087.29-139,455.30-58,621.18

Finding the Fourth Proportional to 101,087.29, 139,455.30 and 58,621.18

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Solution

The fourth proportional to 101,087.29, 139,455.30 and 58,621.18 is: 80,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,087.29 : 139,455.30 = 58,621.18 : x
  2. Step 2: Convert to fraction form
    101,087.29/139,455.30 = 58,621.18/x
  3. Step 3: Cross multiply
    101,087.29x = 139,455.30 × 58,621.18
  4. Step 4: Simplify right side
    101,087.29x = 8,175,034,243.25
  5. Step 5: Solve for x
    x = 8,175,034,243.25/101,087.29
  6. Step 6: Final answer
    x = 80,871.04

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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.