Home / 154,665.15-231,999.10-61,170.91

Finding the Fourth Proportional to 154,665.15, 231,999.10 and 61,170.91

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Solution

The fourth proportional to 154,665.15, 231,999.10 and 61,170.91 is: 91,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,665.15 : 231,999.10 = 61,170.91 : x
  2. Step 2: Convert to fraction form
    154,665.15/231,999.10 = 61,170.91/x
  3. Step 3: Cross multiply
    154,665.15x = 231,999.10 × 61,170.91
  4. Step 4: Simplify right side
    154,665.15x = 14,191,595,760.33
  5. Step 5: Solve for x
    x = 14,191,595,760.33/154,665.15
  6. Step 6: Final answer
    x = 91,756.91

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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.