Home / 173,140.20-259,710.30-99,207.40

Finding the Fourth Proportional to 173,140.20, 259,710.30 and 99,207.40

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Solution

The fourth proportional to 173,140.20, 259,710.30 and 99,207.40 is: 148,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,140.20 : 259,710.30 = 99,207.40 : x
  2. Step 2: Convert to fraction form
    173,140.20/259,710.30 = 99,207.40/x
  3. Step 3: Cross multiply
    173,140.20x = 259,710.30 × 99,207.40
  4. Step 4: Simplify right side
    173,140.20x = 25,765,183,616.22
  5. Step 5: Solve for x
    x = 25,765,183,616.22/173,140.20
  6. Step 6: Final answer
    x = 148,811.10

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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.