Home / 119,247.20-178,868.96-30,499.92

Finding the Fourth Proportional to 119,247.20, 178,868.96 and 30,499.92

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Solution

The fourth proportional to 119,247.20, 178,868.96 and 30,499.92 is: 45,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,247.20 : 178,868.96 = 30,499.92 : x
  2. Step 2: Convert to fraction form
    119,247.20/178,868.96 = 30,499.92/x
  3. Step 3: Cross multiply
    119,247.20x = 178,868.96 × 30,499.92
  4. Step 4: Simplify right side
    119,247.20x = 5,455,488,970.48
  5. Step 5: Solve for x
    x = 5,455,488,970.48/119,247.20
  6. Step 6: Final answer
    x = 45,749.41

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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.