Home / 131,729.67-197,595.01-31,889.70

Finding the Fourth Proportional to 131,729.67, 197,595.01 and 31,889.70

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Solution

The fourth proportional to 131,729.67, 197,595.01 and 31,889.70 is: 47,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,729.67 : 197,595.01 = 31,889.70 : x
  2. Step 2: Convert to fraction form
    131,729.67/197,595.01 = 31,889.70/x
  3. Step 3: Cross multiply
    131,729.67x = 197,595.01 × 31,889.70
  4. Step 4: Simplify right side
    131,729.67x = 6,301,246,084.38
  5. Step 5: Solve for x
    x = 6,301,246,084.38/131,729.67
  6. Step 6: Final answer
    x = 47,834.68

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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.