Home / 155,998.46-234,036.75-89,513.66

Finding the Fourth Proportional to 155,998.46, 234,036.75 and 89,513.66

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Solution

The fourth proportional to 155,998.46, 234,036.75 and 89,513.66 is: 134,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,998.46 : 234,036.75 = 89,513.66 : x
  2. Step 2: Convert to fraction form
    155,998.46/234,036.75 = 89,513.66/x
  3. Step 3: Cross multiply
    155,998.46x = 234,036.75 × 89,513.66
  4. Step 4: Simplify right side
    155,998.46x = 20,949,486,067.01
  5. Step 5: Solve for x
    x = 20,949,486,067.01/155,998.46
  6. Step 6: Final answer
    x = 134,292.90

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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.