Home / 102,029.04-140,761.72-75,235.48

Finding the Fourth Proportional to 102,029.04, 140,761.72 and 75,235.48

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Solution

The fourth proportional to 102,029.04, 140,761.72 and 75,235.48 is: 103,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,029.04 : 140,761.72 = 75,235.48 : x
  2. Step 2: Convert to fraction form
    102,029.04/140,761.72 = 75,235.48/x
  3. Step 3: Cross multiply
    102,029.04x = 140,761.72 × 75,235.48
  4. Step 4: Simplify right side
    102,029.04x = 10,590,275,569.83
  5. Step 5: Solve for x
    x = 10,590,275,569.83/102,029.04
  6. Step 6: Final answer
    x = 103,796.68

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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.