Home / 129,835.56-194,753.34-31,339.56

Finding the Fourth Proportional to 129,835.56, 194,753.34 and 31,339.56

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Solution

The fourth proportional to 129,835.56, 194,753.34 and 31,339.56 is: 47,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,835.56 : 194,753.34 = 31,339.56 : x
  2. Step 2: Convert to fraction form
    129,835.56/194,753.34 = 31,339.56/x
  3. Step 3: Cross multiply
    129,835.56x = 194,753.34 × 31,339.56
  4. Step 4: Simplify right side
    129,835.56x = 6,103,483,984.13
  5. Step 5: Solve for x
    x = 6,103,483,984.13/129,835.56
  6. Step 6: Final answer
    x = 47,009.34

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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.