Home / 231,801.30-347,615.55-91,530.90

Finding the Fourth Proportional to 231,801.30, 347,615.55 and 91,530.90

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Solution

The fourth proportional to 231,801.30, 347,615.55 and 91,530.90 is: 137,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,801.30 : 347,615.55 = 91,530.90 : x
  2. Step 2: Convert to fraction form
    231,801.30/347,615.55 = 91,530.90/x
  3. Step 3: Cross multiply
    231,801.30x = 347,615.55 × 91,530.90
  4. Step 4: Simplify right side
    231,801.30x = 31,817,564,145.50
  5. Step 5: Solve for x
    x = 31,817,564,145.50/231,801.30
  6. Step 6: Final answer
    x = 137,262.23

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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.