Home / 155,986.18-234,003.75-67,264.90

Finding the Fourth Proportional to 155,986.18, 234,003.75 and 67,264.90

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Solution

The fourth proportional to 155,986.18, 234,003.75 and 67,264.90 is: 100,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,986.18 : 234,003.75 = 67,264.90 : x
  2. Step 2: Convert to fraction form
    155,986.18/234,003.75 = 67,264.90/x
  3. Step 3: Cross multiply
    155,986.18x = 234,003.75 × 67,264.90
  4. Step 4: Simplify right side
    155,986.18x = 15,740,238,843.38
  5. Step 5: Solve for x
    x = 15,740,238,843.38/155,986.18
  6. Step 6: Final answer
    x = 100,907.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.