Home / 171,971.86-257,822.12-108,658.55

Finding the Fourth Proportional to 171,971.86, 257,822.12 and 108,658.55

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Solution

The fourth proportional to 171,971.86, 257,822.12 and 108,658.55 is: 162,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,971.86 : 257,822.12 = 108,658.55 : x
  2. Step 2: Convert to fraction form
    171,971.86/257,822.12 = 108,658.55/x
  3. Step 3: Cross multiply
    171,971.86x = 257,822.12 × 108,658.55
  4. Step 4: Simplify right side
    171,971.86x = 28,014,577,717.13
  5. Step 5: Solve for x
    x = 28,014,577,717.13/171,971.86
  6. Step 6: Final answer
    x = 162,902.10

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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.