Home / 92,146.98-138,214.80-54,217.23

Finding the Fourth Proportional to 92,146.98, 138,214.80 and 54,217.23

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Solution

The fourth proportional to 92,146.98, 138,214.80 and 54,217.23 is: 81,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,146.98 : 138,214.80 = 54,217.23 : x
  2. Step 2: Convert to fraction form
    92,146.98/138,214.80 = 54,217.23/x
  3. Step 3: Cross multiply
    92,146.98x = 138,214.80 × 54,217.23
  4. Step 4: Simplify right side
    92,146.98x = 7,493,623,601.00
  5. Step 5: Solve for x
    x = 7,493,623,601.00/92,146.98
  6. Step 6: Final answer
    x = 81,322.51

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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.