Home / 231,999.36-348,001.08-91,758

Finding the Fourth Proportional to 231,999.36, 348,001.08 and 91,758

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Solution

The fourth proportional to 231,999.36, 348,001.08 and 91,758 is: 137,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,999.36 : 348,001.08 = 91,758 : x
  2. Step 2: Convert to fraction form
    231,999.36/348,001.08 = 91,758/x
  3. Step 3: Cross multiply
    231,999.36x = 348,001.08 × 91,758
  4. Step 4: Simplify right side
    231,999.36x = 31,931,883,098.64
  5. Step 5: Solve for x
    x = 31,931,883,098.64/231,999.36
  6. Step 6: Final answer
    x = 137,637.81

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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.