Home / 154,007.19-231,031.89-54,144.54

Finding the Fourth Proportional to 154,007.19, 231,031.89 and 54,144.54

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Solution

The fourth proportional to 154,007.19, 231,031.89 and 54,144.54 is: 81,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,007.19 : 231,031.89 = 54,144.54 : x
  2. Step 2: Convert to fraction form
    154,007.19/231,031.89 = 54,144.54/x
  3. Step 3: Cross multiply
    154,007.19x = 231,031.89 × 54,144.54
  4. Step 4: Simplify right side
    154,007.19x = 12,509,115,409.38
  5. Step 5: Solve for x
    x = 12,509,115,409.38/154,007.19
  6. Step 6: Final answer
    x = 81,224.23

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1.5x scale

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.