Home / 141,942.80-212,914.20-135,030.80

Finding the Fourth Proportional to 141,942.80, 212,914.20 and 135,030.80

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Solution

The fourth proportional to 141,942.80, 212,914.20 and 135,030.80 is: 202,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,942.80 : 212,914.20 = 135,030.80 : x
  2. Step 2: Convert to fraction form
    141,942.80/212,914.20 = 135,030.80/x
  3. Step 3: Cross multiply
    141,942.80x = 212,914.20 × 135,030.80
  4. Step 4: Simplify right side
    141,942.80x = 28,749,974,757.36
  5. Step 5: Solve for x
    x = 28,749,974,757.36/141,942.80
  6. Step 6: Final answer
    x = 202,546.20

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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.