Home / 109,349.20-150,991.32-69,127.84

Finding the Fourth Proportional to 109,349.20, 150,991.32 and 69,127.84

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Solution

The fourth proportional to 109,349.20, 150,991.32 and 69,127.84 is: 95,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,349.20 : 150,991.32 = 69,127.84 : x
  2. Step 2: Convert to fraction form
    109,349.20/150,991.32 = 69,127.84/x
  3. Step 3: Cross multiply
    109,349.20x = 150,991.32 × 69,127.84
  4. Step 4: Simplify right side
    109,349.20x = 10,437,703,810.35
  5. Step 5: Solve for x
    x = 10,437,703,810.35/109,349.20
  6. Step 6: Final answer
    x = 95,452.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.