Home / 231,018.90-346,643.55-131,255.70

Finding the Fourth Proportional to 231,018.90, 346,643.55 and 131,255.70

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Solution

The fourth proportional to 231,018.90, 346,643.55 and 131,255.70 is: 196,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,018.90 : 346,643.55 = 131,255.70 : x
  2. Step 2: Convert to fraction form
    231,018.90/346,643.55 = 131,255.70/x
  3. Step 3: Cross multiply
    231,018.90x = 346,643.55 × 131,255.70
  4. Step 4: Simplify right side
    231,018.90x = 45,498,941,805.74
  5. Step 5: Solve for x
    x = 45,498,941,805.74/231,018.90
  6. Step 6: Final answer
    x = 196,949.00

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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.