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Finding the Fourth Proportional to 109,342.08, 163,414.02 and 79,822.08

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Solution

The fourth proportional to 109,342.08, 163,414.02 and 79,822.08 is: 119,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,342.08 : 163,414.02 = 79,822.08 : x
  2. Step 2: Convert to fraction form
    109,342.08/163,414.02 = 79,822.08/x
  3. Step 3: Cross multiply
    109,342.08x = 163,414.02 × 79,822.08
  4. Step 4: Simplify right side
    109,342.08x = 13,044,046,977.56
  5. Step 5: Solve for x
    x = 13,044,046,977.56/109,342.08
  6. Step 6: Final answer
    x = 119,295.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.