Home / 231,681.04-347,550.18-81,890.44

Finding the Fourth Proportional to 231,681.04, 347,550.18 and 81,890.44

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Solution

The fourth proportional to 231,681.04, 347,550.18 and 81,890.44 is: 122,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,681.04 : 347,550.18 = 81,890.44 : x
  2. Step 2: Convert to fraction form
    231,681.04/347,550.18 = 81,890.44/x
  3. Step 3: Cross multiply
    231,681.04x = 347,550.18 × 81,890.44
  4. Step 4: Simplify right side
    231,681.04x = 28,461,037,162.28
  5. Step 5: Solve for x
    x = 28,461,037,162.28/231,681.04
  6. Step 6: Final answer
    x = 122,845.78

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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.