Home / 109,555.80-151,187.76-69,286.92

Finding the Fourth Proportional to 109,555.80, 151,187.76 and 69,286.92

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Solution

The fourth proportional to 109,555.80, 151,187.76 and 69,286.92 is: 95,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555.80 : 151,187.76 = 69,286.92 : x
  2. Step 2: Convert to fraction form
    109,555.80/151,187.76 = 69,286.92/x
  3. Step 3: Cross multiply
    109,555.80x = 151,187.76 × 69,286.92
  4. Step 4: Simplify right side
    109,555.80x = 10,475,334,232.10
  5. Step 5: Solve for x
    x = 10,475,334,232.10/109,555.80
  6. Step 6: Final answer
    x = 95,616.43

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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.