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Finding the Fourth Proportional to 96,476.90, 144,937.72 and 92,491.22

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Solution

The fourth proportional to 96,476.90, 144,937.72 and 92,491.22 is: 138,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,476.90 : 144,937.72 = 92,491.22 : x
  2. Step 2: Convert to fraction form
    96,476.90/144,937.72 = 92,491.22/x
  3. Step 3: Cross multiply
    96,476.90x = 144,937.72 × 92,491.22
  4. Step 4: Simplify right side
    96,476.90x = 13,405,466,546.82
  5. Step 5: Solve for x
    x = 13,405,466,546.82/96,476.90
  6. Step 6: Final answer
    x = 138,950.01

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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.