Home / 109,301.90-150,855.09-66,874.10

Finding the Fourth Proportional to 109,301.90, 150,855.09 and 66,874.10

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Solution

The fourth proportional to 109,301.90, 150,855.09 and 66,874.10 is: 92,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,301.90 : 150,855.09 = 66,874.10 : x
  2. Step 2: Convert to fraction form
    109,301.90/150,855.09 = 66,874.10/x
  3. Step 3: Cross multiply
    109,301.90x = 150,855.09 × 66,874.10
  4. Step 4: Simplify right side
    109,301.90x = 10,088,298,374.17
  5. Step 5: Solve for x
    x = 10,088,298,374.17/109,301.90
  6. Step 6: Final answer
    x = 92,297.56

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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.