Home / 231,999.23-348,000.89-91,757.87

Finding the Fourth Proportional to 231,999.23, 348,000.89 and 91,757.87

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Solution

The fourth proportional to 231,999.23, 348,000.89 and 91,757.87 is: 137,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,999.23 : 348,000.89 = 91,757.87 : x
  2. Step 2: Convert to fraction form
    231,999.23/348,000.89 = 91,757.87/x
  3. Step 3: Cross multiply
    231,999.23x = 348,000.89 × 91,757.87
  4. Step 4: Simplify right side
    231,999.23x = 31,931,818,913.89
  5. Step 5: Solve for x
    x = 31,931,818,913.89/231,999.23
  6. Step 6: Final answer
    x = 137,637.61

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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.