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Finding the Fourth Proportional to 141,661.80, 212,394.30 and 62,733

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Solution

The fourth proportional to 141,661.80, 212,394.30 and 62,733 is: 94,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,661.80 : 212,394.30 = 62,733 : x
  2. Step 2: Convert to fraction form
    141,661.80/212,394.30 = 62,733/x
  3. Step 3: Cross multiply
    141,661.80x = 212,394.30 × 62,733
  4. Step 4: Simplify right side
    141,661.80x = 13,324,131,621.90
  5. Step 5: Solve for x
    x = 13,324,131,621.90/141,661.80
  6. Step 6: Final answer
    x = 94,055.92

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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.