Home / 103,610.10-142,976.43-61,153.14

Finding the Fourth Proportional to 103,610.10, 142,976.43 and 61,153.14

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Solution

The fourth proportional to 103,610.10, 142,976.43 and 61,153.14 is: 84,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610.10 : 142,976.43 = 61,153.14 : x
  2. Step 2: Convert to fraction form
    103,610.10/142,976.43 = 61,153.14/x
  3. Step 3: Cross multiply
    103,610.10x = 142,976.43 × 61,153.14
  4. Step 4: Simplify right side
    103,610.10x = 8,743,457,640.49
  5. Step 5: Solve for x
    x = 8,743,457,640.49/103,610.10
  6. Step 6: Final answer
    x = 84,388.08

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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.