Home / 109,306.60-164,007.55-38,280.19

Finding the Fourth Proportional to 109,306.60, 164,007.55 and 38,280.19

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Solution

The fourth proportional to 109,306.60, 164,007.55 and 38,280.19 is: 57,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.60 : 164,007.55 = 38,280.19 : x
  2. Step 2: Convert to fraction form
    109,306.60/164,007.55 = 38,280.19/x
  3. Step 3: Cross multiply
    109,306.60x = 164,007.55 × 38,280.19
  4. Step 4: Simplify right side
    109,306.60x = 6,278,239,669.72
  5. Step 5: Solve for x
    x = 6,278,239,669.72/109,306.60
  6. Step 6: Final answer
    x = 57,436.97

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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.