Home / 109,767.32-151,485.90-67,320.08

Finding the Fourth Proportional to 109,767.32, 151,485.90 and 67,320.08

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Solution

The fourth proportional to 109,767.32, 151,485.90 and 67,320.08 is: 92,906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,767.32 : 151,485.90 = 67,320.08 : x
  2. Step 2: Convert to fraction form
    109,767.32/151,485.90 = 67,320.08/x
  3. Step 3: Cross multiply
    109,767.32x = 151,485.90 × 67,320.08
  4. Step 4: Simplify right side
    109,767.32x = 10,198,042,906.87
  5. Step 5: Solve for x
    x = 10,198,042,906.87/109,767.32
  6. Step 6: Final answer
    x = 92,906.00

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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.