Home / 231,681.74-347,551.22-81,891.14

Finding the Fourth Proportional to 231,681.74, 347,551.22 and 81,891.14

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Solution

The fourth proportional to 231,681.74, 347,551.22 and 81,891.14 is: 122,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,681.74 : 347,551.22 = 81,891.14 : x
  2. Step 2: Convert to fraction form
    231,681.74/347,551.22 = 81,891.14/x
  3. Step 3: Cross multiply
    231,681.74x = 347,551.22 × 81,891.14
  4. Step 4: Simplify right side
    231,681.74x = 28,461,363,466.98
  5. Step 5: Solve for x
    x = 28,461,363,466.98/231,681.74
  6. Step 6: Final answer
    x = 122,846.82

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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.