Home / 103,296.66-142,552.22-57,977.46

Finding the Fourth Proportional to 103,296.66, 142,552.22 and 57,977.46

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Solution

The fourth proportional to 103,296.66, 142,552.22 and 57,977.46 is: 80,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,296.66 : 142,552.22 = 57,977.46 : x
  2. Step 2: Convert to fraction form
    103,296.66/142,552.22 = 57,977.46/x
  3. Step 3: Cross multiply
    103,296.66x = 142,552.22 × 57,977.46
  4. Step 4: Simplify right side
    103,296.66x = 8,264,815,065.14
  5. Step 5: Solve for x
    x = 8,264,815,065.14/103,296.66
  6. Step 6: Final answer
    x = 80,010.48

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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.