Home / 231,816.20-347,724.30-91,502.60

Finding the Fourth Proportional to 231,816.20, 347,724.30 and 91,502.60

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Solution

The fourth proportional to 231,816.20, 347,724.30 and 91,502.60 is: 137,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,816.20 : 347,724.30 = 91,502.60 : x
  2. Step 2: Convert to fraction form
    231,816.20/347,724.30 = 91,502.60/x
  3. Step 3: Cross multiply
    231,816.20x = 347,724.30 × 91,502.60
  4. Step 4: Simplify right side
    231,816.20x = 31,817,677,533.18
  5. Step 5: Solve for x
    x = 31,817,677,533.18/231,816.20
  6. Step 6: Final answer
    x = 137,253.90

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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.