Home / 173,485.36-239,431-101,872.04

Finding the Fourth Proportional to 173,485.36, 239,431 and 101,872.04

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Solution

The fourth proportional to 173,485.36, 239,431 and 101,872.04 is: 140,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,485.36 : 239,431 = 101,872.04 : x
  2. Step 2: Convert to fraction form
    173,485.36/239,431 = 101,872.04/x
  3. Step 3: Cross multiply
    173,485.36x = 239,431 × 101,872.04
  4. Step 4: Simplify right side
    173,485.36x = 24,391,324,409.24
  5. Step 5: Solve for x
    x = 24,391,324,409.24/173,485.36
  6. Step 6: Final answer
    x = 140,595.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.