Home / 129,678.30-194,521.77-36,176.22

Finding the Fourth Proportional to 129,678.30, 194,521.77 and 36,176.22

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Solution

The fourth proportional to 129,678.30, 194,521.77 and 36,176.22 is: 54,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,678.30 : 194,521.77 = 36,176.22 : x
  2. Step 2: Convert to fraction form
    129,678.30/194,521.77 = 36,176.22/x
  3. Step 3: Cross multiply
    129,678.30x = 194,521.77 × 36,176.22
  4. Step 4: Simplify right side
    129,678.30x = 7,037,062,346.31
  5. Step 5: Solve for x
    x = 7,037,062,346.31/129,678.30
  6. Step 6: Final answer
    x = 54,265.54

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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.