Home / 173,107.40-259,515.30-90,001.40

Finding the Fourth Proportional to 173,107.40, 259,515.30 and 90,001.40

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Solution

The fourth proportional to 173,107.40, 259,515.30 and 90,001.40 is: 134,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,107.40 : 259,515.30 = 90,001.40 : x
  2. Step 2: Convert to fraction form
    173,107.40/259,515.30 = 90,001.40/x
  3. Step 3: Cross multiply
    173,107.40x = 259,515.30 × 90,001.40
  4. Step 4: Simplify right side
    173,107.40x = 23,356,740,321.42
  5. Step 5: Solve for x
    x = 23,356,740,321.42/173,107.40
  6. Step 6: Final answer
    x = 134,926.30

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1.5x scale

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.