Home / 90,192.90-135,184.79-33,997.04

Finding the Fourth Proportional to 90,192.90, 135,184.79 and 33,997.04

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Solution

The fourth proportional to 90,192.90, 135,184.79 and 33,997.04 is: 50,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,192.90 : 135,184.79 = 33,997.04 : x
  2. Step 2: Convert to fraction form
    90,192.90/135,184.79 = 33,997.04/x
  3. Step 3: Cross multiply
    90,192.90x = 135,184.79 × 33,997.04
  4. Step 4: Simplify right side
    90,192.90x = 4,595,881,867.11
  5. Step 5: Solve for x
    x = 4,595,881,867.11/90,192.90
  6. Step 6: Final answer
    x = 50,956.14

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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.