Home / 109,117.06-150,558.96-63,786.28

Finding the Fourth Proportional to 109,117.06, 150,558.96 and 63,786.28

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Solution

The fourth proportional to 109,117.06, 150,558.96 and 63,786.28 is: 88,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,117.06 : 150,558.96 = 63,786.28 : x
  2. Step 2: Convert to fraction form
    109,117.06/150,558.96 = 63,786.28/x
  3. Step 3: Cross multiply
    109,117.06x = 150,558.96 × 63,786.28
  4. Step 4: Simplify right side
    109,117.06x = 9,603,595,979.07
  5. Step 5: Solve for x
    x = 9,603,595,979.07/109,117.06
  6. Step 6: Final answer
    x = 88,011.87

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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.