Home / 131,749.86-197,630.26-38,255.62

Finding the Fourth Proportional to 131,749.86, 197,630.26 and 38,255.62

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Solution

The fourth proportional to 131,749.86, 197,630.26 and 38,255.62 is: 57,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,749.86 : 197,630.26 = 38,255.62 : x
  2. Step 2: Convert to fraction form
    131,749.86/197,630.26 = 38,255.62/x
  3. Step 3: Cross multiply
    131,749.86x = 197,630.26 × 38,255.62
  4. Step 4: Simplify right side
    131,749.86x = 7,560,468,127.06
  5. Step 5: Solve for x
    x = 7,560,468,127.06/131,749.86
  6. Step 6: Final answer
    x = 57,385.02

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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.