Home / 100,844.10-151,266.15-26,972.10

Finding the Fourth Proportional to 100,844.10, 151,266.15 and 26,972.10

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Solution

The fourth proportional to 100,844.10, 151,266.15 and 26,972.10 is: 40,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,844.10 : 151,266.15 = 26,972.10 : x
  2. Step 2: Convert to fraction form
    100,844.10/151,266.15 = 26,972.10/x
  3. Step 3: Cross multiply
    100,844.10x = 151,266.15 × 26,972.10
  4. Step 4: Simplify right side
    100,844.10x = 4,079,965,724.42
  5. Step 5: Solve for x
    x = 4,079,965,724.42/100,844.10
  6. Step 6: Final answer
    x = 40,458.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.