Home / 133,093.28-183,528.89-87,713.20

Finding the Fourth Proportional to 133,093.28, 183,528.89 and 87,713.20

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Solution

The fourth proportional to 133,093.28, 183,528.89 and 87,713.20 is: 120,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,093.28 : 183,528.89 = 87,713.20 : x
  2. Step 2: Convert to fraction form
    133,093.28/183,528.89 = 87,713.20/x
  3. Step 3: Cross multiply
    133,093.28x = 183,528.89 × 87,713.20
  4. Step 4: Simplify right side
    133,093.28x = 16,097,906,870.29
  5. Step 5: Solve for x
    x = 16,097,906,870.29/133,093.28
  6. Step 6: Final answer
    x = 120,952.07

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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.