Home / 179,971.29-269,989.74-90,061.02

Finding the Fourth Proportional to 179,971.29, 269,989.74 and 90,061.02

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Solution

The fourth proportional to 179,971.29, 269,989.74 and 90,061.02 is: 135,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,971.29 : 269,989.74 = 90,061.02 : x
  2. Step 2: Convert to fraction form
    179,971.29/269,989.74 = 90,061.02/x
  3. Step 3: Cross multiply
    179,971.29x = 269,989.74 × 90,061.02
  4. Step 4: Simplify right side
    179,971.29x = 24,315,551,373.93
  5. Step 5: Solve for x
    x = 24,315,551,373.93/179,971.29
  6. Step 6: Final answer
    x = 135,107.95

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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.