Home / 135,974.64-203,666.20-65,706

Finding the Fourth Proportional to 135,974.64, 203,666.20 and 65,706

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Solution

The fourth proportional to 135,974.64, 203,666.20 and 65,706 is: 98,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,974.64 : 203,666.20 = 65,706 : x
  2. Step 2: Convert to fraction form
    135,974.64/203,666.20 = 65,706/x
  3. Step 3: Cross multiply
    135,974.64x = 203,666.20 × 65,706
  4. Step 4: Simplify right side
    135,974.64x = 13,382,091,337.20
  5. Step 5: Solve for x
    x = 13,382,091,337.20/135,974.64
  6. Step 6: Final answer
    x = 98,416.08

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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.