Home / 131,020.55-196,572.35-46,778.93

Finding the Fourth Proportional to 131,020.55, 196,572.35 and 46,778.93

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Solution

The fourth proportional to 131,020.55, 196,572.35 and 46,778.93 is: 70,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,020.55 : 196,572.35 = 46,778.93 : x
  2. Step 2: Convert to fraction form
    131,020.55/196,572.35 = 46,778.93/x
  3. Step 3: Cross multiply
    131,020.55x = 196,572.35 × 46,778.93
  4. Step 4: Simplify right side
    131,020.55x = 9,195,443,334.67
  5. Step 5: Solve for x
    x = 9,195,443,334.67/131,020.55
  6. Step 6: Final answer
    x = 70,183.22

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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.