Home / 109,192.77-163,793.81-38,122.56

Finding the Fourth Proportional to 109,192.77, 163,793.81 and 38,122.56

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Solution

The fourth proportional to 109,192.77, 163,793.81 and 38,122.56 is: 57,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,192.77 : 163,793.81 = 38,122.56 : x
  2. Step 2: Convert to fraction form
    109,192.77/163,793.81 = 38,122.56/x
  3. Step 3: Cross multiply
    109,192.77x = 163,793.81 × 38,122.56
  4. Step 4: Simplify right side
    109,192.77x = 6,244,239,349.35
  5. Step 5: Solve for x
    x = 6,244,239,349.35/109,192.77
  6. Step 6: Final answer
    x = 57,185.47

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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.