Home / 133,926.68-200,885.16-40,430

Finding the Fourth Proportional to 133,926.68, 200,885.16 and 40,430

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Solution

The fourth proportional to 133,926.68, 200,885.16 and 40,430 is: 60,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,926.68 : 200,885.16 = 40,430 : x
  2. Step 2: Convert to fraction form
    133,926.68/200,885.16 = 40,430/x
  3. Step 3: Cross multiply
    133,926.68x = 200,885.16 × 40,430
  4. Step 4: Simplify right side
    133,926.68x = 8,121,787,018.80
  5. Step 5: Solve for x
    x = 8,121,787,018.80/133,926.68
  6. Step 6: Final answer
    x = 60,643.53

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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.