Home / 141,769.60-212,654.40-133,021.60

Finding the Fourth Proportional to 141,769.60, 212,654.40 and 133,021.60

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Solution

The fourth proportional to 141,769.60, 212,654.40 and 133,021.60 is: 199,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769.60 : 212,654.40 = 133,021.60 : x
  2. Step 2: Convert to fraction form
    141,769.60/212,654.40 = 133,021.60/x
  3. Step 3: Cross multiply
    141,769.60x = 212,654.40 × 133,021.60
  4. Step 4: Simplify right side
    141,769.60x = 28,287,628,535.04
  5. Step 5: Solve for x
    x = 28,287,628,535.04/141,769.60
  6. Step 6: Final answer
    x = 199,532.40

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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.