Home / 131,697.88-197,578.26-42,951.46

Finding the Fourth Proportional to 131,697.88, 197,578.26 and 42,951.46

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Solution

The fourth proportional to 131,697.88, 197,578.26 and 42,951.46 is: 64,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,697.88 : 197,578.26 = 42,951.46 : x
  2. Step 2: Convert to fraction form
    131,697.88/197,578.26 = 42,951.46/x
  3. Step 3: Cross multiply
    131,697.88x = 197,578.26 × 42,951.46
  4. Step 4: Simplify right side
    131,697.88x = 8,486,274,731.26
  5. Step 5: Solve for x
    x = 8,486,274,731.26/131,697.88
  6. Step 6: Final answer
    x = 64,437.44

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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.