Home / 131,911.79-197,844.46-38,395.67

Finding the Fourth Proportional to 131,911.79, 197,844.46 and 38,395.67

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Solution

The fourth proportional to 131,911.79, 197,844.46 and 38,395.67 is: 57,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,911.79 : 197,844.46 = 38,395.67 : x
  2. Step 2: Convert to fraction form
    131,911.79/197,844.46 = 38,395.67/x
  3. Step 3: Cross multiply
    131,911.79x = 197,844.46 × 38,395.67
  4. Step 4: Simplify right side
    131,911.79x = 7,596,369,512.28
  5. Step 5: Solve for x
    x = 7,596,369,512.28/131,911.79
  6. Step 6: Final answer
    x = 57,586.74

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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.