Home / 131,729.08-197,594.12-31,889.11

Finding the Fourth Proportional to 131,729.08, 197,594.12 and 31,889.11

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Solution

The fourth proportional to 131,729.08, 197,594.12 and 31,889.11 is: 47,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,729.08 : 197,594.12 = 31,889.11 : x
  2. Step 2: Convert to fraction form
    131,729.08/197,594.12 = 31,889.11/x
  3. Step 3: Cross multiply
    131,729.08x = 197,594.12 × 31,889.11
  4. Step 4: Simplify right side
    131,729.08x = 6,301,100,094.19
  5. Step 5: Solve for x
    x = 6,301,100,094.19/131,729.08
  6. Step 6: Final answer
    x = 47,833.78

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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.