Home / 141,325.60-211,660.35-138,045.10

Finding the Fourth Proportional to 141,325.60, 211,660.35 and 138,045.10

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Solution

The fourth proportional to 141,325.60, 211,660.35 and 138,045.10 is: 206,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,325.60 : 211,660.35 = 138,045.10 : x
  2. Step 2: Convert to fraction form
    141,325.60/211,660.35 = 138,045.10/x
  3. Step 3: Cross multiply
    141,325.60x = 211,660.35 × 138,045.10
  4. Step 4: Simplify right side
    141,325.60x = 29,218,674,181.79
  5. Step 5: Solve for x
    x = 29,218,674,181.79/141,325.60
  6. Step 6: Final answer
    x = 206,747.21

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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.