Home / 141,525.80-212,288.70-136,082.60

Finding the Fourth Proportional to 141,525.80, 212,288.70 and 136,082.60

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Solution

The fourth proportional to 141,525.80, 212,288.70 and 136,082.60 is: 204,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,525.80 : 212,288.70 = 136,082.60 : x
  2. Step 2: Convert to fraction form
    141,525.80/212,288.70 = 136,082.60/x
  3. Step 3: Cross multiply
    141,525.80x = 212,288.70 × 136,082.60
  4. Step 4: Simplify right side
    141,525.80x = 28,888,798,246.62
  5. Step 5: Solve for x
    x = 28,888,798,246.62/141,525.80
  6. Step 6: Final answer
    x = 204,123.90

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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.