Home / 104,862.30-144,722.43-62,420.46

Finding the Fourth Proportional to 104,862.30, 144,722.43 and 62,420.46

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Solution

The fourth proportional to 104,862.30, 144,722.43 and 62,420.46 is: 86,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,862.30 : 144,722.43 = 62,420.46 : x
  2. Step 2: Convert to fraction form
    104,862.30/144,722.43 = 62,420.46/x
  3. Step 3: Cross multiply
    104,862.30x = 144,722.43 × 62,420.46
  4. Step 4: Simplify right side
    104,862.30x = 9,033,640,652.92
  5. Step 5: Solve for x
    x = 9,033,640,652.92/104,862.30
  6. Step 6: Final answer
    x = 86,147.65

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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.