Home / 100,024.26-138,045.24-57,010.02

Finding the Fourth Proportional to 100,024.26, 138,045.24 and 57,010.02

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Solution

The fourth proportional to 100,024.26, 138,045.24 and 57,010.02 is: 78,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,024.26 : 138,045.24 = 57,010.02 : x
  2. Step 2: Convert to fraction form
    100,024.26/138,045.24 = 57,010.02/x
  3. Step 3: Cross multiply
    100,024.26x = 138,045.24 × 57,010.02
  4. Step 4: Simplify right side
    100,024.26x = 7,869,961,893.30
  5. Step 5: Solve for x
    x = 7,869,961,893.30/100,024.26
  6. Step 6: Final answer
    x = 78,680.53

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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.