Home / 140,934.40-211,401.60-131,603.20

Finding the Fourth Proportional to 140,934.40, 211,401.60 and 131,603.20

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Solution

The fourth proportional to 140,934.40, 211,401.60 and 131,603.20 is: 197,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,934.40 : 211,401.60 = 131,603.20 : x
  2. Step 2: Convert to fraction form
    140,934.40/211,401.60 = 131,603.20/x
  3. Step 3: Cross multiply
    140,934.40x = 211,401.60 × 131,603.20
  4. Step 4: Simplify right side
    140,934.40x = 27,821,127,045.12
  5. Step 5: Solve for x
    x = 27,821,127,045.12/140,934.40
  6. Step 6: Final answer
    x = 197,404.80

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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.