Home / 154,741.32-232,111.97-102,138.50

Finding the Fourth Proportional to 154,741.32, 232,111.97 and 102,138.50

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Solution

The fourth proportional to 154,741.32, 232,111.97 and 102,138.50 is: 153,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,741.32 : 232,111.97 = 102,138.50 : x
  2. Step 2: Convert to fraction form
    154,741.32/232,111.97 = 102,138.50/x
  3. Step 3: Cross multiply
    154,741.32x = 232,111.97 × 102,138.50
  4. Step 4: Simplify right side
    154,741.32x = 23,707,568,122.91
  5. Step 5: Solve for x
    x = 23,707,568,122.91/154,741.32
  6. Step 6: Final answer
    x = 153,207.75

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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.