Home / 109,266.58-150,778.69-66,816.91

Finding the Fourth Proportional to 109,266.58, 150,778.69 and 66,816.91

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Solution

The fourth proportional to 109,266.58, 150,778.69 and 66,816.91 is: 92,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,266.58 : 150,778.69 = 66,816.91 : x
  2. Step 2: Convert to fraction form
    109,266.58/150,778.69 = 66,816.91/x
  3. Step 3: Cross multiply
    109,266.58x = 150,778.69 × 66,816.91
  4. Step 4: Simplify right side
    109,266.58x = 10,074,566,159.65
  5. Step 5: Solve for x
    x = 10,074,566,159.65/109,266.58
  6. Step 6: Final answer
    x = 92,201.72

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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.