Home / 140,519.64-209,760.99-130,114.38

Finding the Fourth Proportional to 140,519.64, 209,760.99 and 130,114.38

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Solution

The fourth proportional to 140,519.64, 209,760.99 and 130,114.38 is: 194,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,519.64 : 209,760.99 = 130,114.38 : x
  2. Step 2: Convert to fraction form
    140,519.64/209,760.99 = 130,114.38/x
  3. Step 3: Cross multiply
    140,519.64x = 209,760.99 × 130,114.38
  4. Step 4: Simplify right side
    140,519.64x = 27,292,921,162.04
  5. Step 5: Solve for x
    x = 27,292,921,162.04/140,519.64
  6. Step 6: Final answer
    x = 194,228.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.