Home / 156,129.68-234,231.78-50,948.84

Finding the Fourth Proportional to 156,129.68, 234,231.78 and 50,948.84

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Solution

The fourth proportional to 156,129.68, 234,231.78 and 50,948.84 is: 76,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129.68 : 234,231.78 = 50,948.84 : x
  2. Step 2: Convert to fraction form
    156,129.68/234,231.78 = 50,948.84/x
  3. Step 3: Cross multiply
    156,129.68x = 234,231.78 × 50,948.84
  4. Step 4: Simplify right side
    156,129.68x = 11,933,837,482.14
  5. Step 5: Solve for x
    x = 11,933,837,482.14/156,129.68
  6. Step 6: Final answer
    x = 76,435.42

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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.