Home / 141,965.60-212,948.40-133,217.60

Finding the Fourth Proportional to 141,965.60, 212,948.40 and 133,217.60

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Solution

The fourth proportional to 141,965.60, 212,948.40 and 133,217.60 is: 199,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,965.60 : 212,948.40 = 133,217.60 : x
  2. Step 2: Convert to fraction form
    141,965.60/212,948.40 = 133,217.60/x
  3. Step 3: Cross multiply
    141,965.60x = 212,948.40 × 133,217.60
  4. Step 4: Simplify right side
    141,965.60x = 28,368,474,771.84
  5. Step 5: Solve for x
    x = 28,368,474,771.84/141,965.60
  6. Step 6: Final answer
    x = 199,826.40

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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.