Home / 173,155.20-259,732.80-99,222.40

Finding the Fourth Proportional to 173,155.20, 259,732.80 and 99,222.40

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Solution

The fourth proportional to 173,155.20, 259,732.80 and 99,222.40 is: 148,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,155.20 : 259,732.80 = 99,222.40 : x
  2. Step 2: Convert to fraction form
    173,155.20/259,732.80 = 99,222.40/x
  3. Step 3: Cross multiply
    173,155.20x = 259,732.80 × 99,222.40
  4. Step 4: Simplify right side
    173,155.20x = 25,771,311,774.72
  5. Step 5: Solve for x
    x = 25,771,311,774.72/173,155.20
  6. Step 6: Final answer
    x = 148,833.60

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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.