Home / 135,719.28-203,646.35-60,892.29

Finding the Fourth Proportional to 135,719.28, 203,646.35 and 60,892.29

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Solution

The fourth proportional to 135,719.28, 203,646.35 and 60,892.29 is: 91,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,719.28 : 203,646.35 = 60,892.29 : x
  2. Step 2: Convert to fraction form
    135,719.28/203,646.35 = 60,892.29/x
  3. Step 3: Cross multiply
    135,719.28x = 203,646.35 × 60,892.29
  4. Step 4: Simplify right side
    135,719.28x = 12,400,492,753.87
  5. Step 5: Solve for x
    x = 12,400,492,753.87/135,719.28
  6. Step 6: Final answer
    x = 91,368.69

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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.