Home / 141,667.20-212,513.60-36,486.40

Finding the Fourth Proportional to 141,667.20, 212,513.60 and 36,486.40

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Solution

The fourth proportional to 141,667.20, 212,513.60 and 36,486.40 is: 54,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,667.20 : 212,513.60 = 36,486.40 : x
  2. Step 2: Convert to fraction form
    141,667.20/212,513.60 = 36,486.40/x
  3. Step 3: Cross multiply
    141,667.20x = 212,513.60 × 36,486.40
  4. Step 4: Simplify right side
    141,667.20x = 7,753,856,215.04
  5. Step 5: Solve for x
    x = 7,753,856,215.04/141,667.20
  6. Step 6: Final answer
    x = 54,732.90

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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.