Home / 173,458.08-259,717.32-90,177.12

Finding the Fourth Proportional to 173,458.08, 259,717.32 and 90,177.12

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Solution

The fourth proportional to 173,458.08, 259,717.32 and 90,177.12 is: 135,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,458.08 : 259,717.32 = 90,177.12 : x
  2. Step 2: Convert to fraction form
    173,458.08/259,717.32 = 90,177.12/x
  3. Step 3: Cross multiply
    173,458.08x = 259,717.32 × 90,177.12
  4. Step 4: Simplify right side
    173,458.08x = 23,420,559,931.72
  5. Step 5: Solve for x
    x = 23,420,559,931.72/173,458.08
  6. Step 6: Final answer
    x = 135,021.44

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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.