Home / 154,435.30-231,652.95-119,400.10

Finding the Fourth Proportional to 154,435.30, 231,652.95 and 119,400.10

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Solution

The fourth proportional to 154,435.30, 231,652.95 and 119,400.10 is: 179,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,435.30 : 231,652.95 = 119,400.10 : x
  2. Step 2: Convert to fraction form
    154,435.30/231,652.95 = 119,400.10/x
  3. Step 3: Cross multiply
    154,435.30x = 231,652.95 × 119,400.10
  4. Step 4: Simplify right side
    154,435.30x = 27,659,385,395.30
  5. Step 5: Solve for x
    x = 27,659,385,395.30/154,435.30
  6. Step 6: Final answer
    x = 179,100.15

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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.