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Finding the Fourth Proportional to 261,962, 392,943 and 95,750

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Solution

The fourth proportional to 261,962, 392,943 and 95,750 is: 143,625

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,962 : 392,943 = 95,750 : x
  2. Step 2: Convert to fraction form
    261,962/392,943 = 95,750/x
  3. Step 3: Cross multiply
    261,962x = 392,943 × 95,750
  4. Step 4: Simplify right side
    261,962x = 37,624,292,250
  5. Step 5: Solve for x
    x = 37,624,292,250/261,962
  6. Step 6: Final answer
    x = 143,625

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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.