Home / 131,536.05-197,324.76-42,768.80

Finding the Fourth Proportional to 131,536.05, 197,324.76 and 42,768.80

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Solution

The fourth proportional to 131,536.05, 197,324.76 and 42,768.80 is: 64,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,536.05 : 197,324.76 = 42,768.80 : x
  2. Step 2: Convert to fraction form
    131,536.05/197,324.76 = 42,768.80/x
  3. Step 3: Cross multiply
    131,536.05x = 197,324.76 × 42,768.80
  4. Step 4: Simplify right side
    131,536.05x = 8,439,342,208.86
  5. Step 5: Solve for x
    x = 8,439,342,208.86/131,536.05
  6. Step 6: Final answer
    x = 64,159.92

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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.