Home / 109,292.68-163,960.80-34,431.72

Finding the Fourth Proportional to 109,292.68, 163,960.80 and 34,431.72

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Solution

The fourth proportional to 109,292.68, 163,960.80 and 34,431.72 is: 51,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,292.68 : 163,960.80 = 34,431.72 : x
  2. Step 2: Convert to fraction form
    109,292.68/163,960.80 = 34,431.72/x
  3. Step 3: Cross multiply
    109,292.68x = 163,960.80 × 34,431.72
  4. Step 4: Simplify right side
    109,292.68x = 5,645,452,356.58
  5. Step 5: Solve for x
    x = 5,645,452,356.58/109,292.68
  6. Step 6: Final answer
    x = 51,654.44

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1.5x scale

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.