Home / 131,397.37-197,093.28-42,650.73

Finding the Fourth Proportional to 131,397.37, 197,093.28 and 42,650.73

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Solution

The fourth proportional to 131,397.37, 197,093.28 and 42,650.73 is: 63,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,397.37 : 197,093.28 = 42,650.73 : x
  2. Step 2: Convert to fraction form
    131,397.37/197,093.28 = 42,650.73/x
  3. Step 3: Cross multiply
    131,397.37x = 197,093.28 × 42,650.73
  4. Step 4: Simplify right side
    131,397.37x = 8,406,172,270.09
  5. Step 5: Solve for x
    x = 8,406,172,270.09/131,397.37
  6. Step 6: Final answer
    x = 63,975.19

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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.