Home / 219,715.20-329,649.60-95,145.60

Finding the Fourth Proportional to 219,715.20, 329,649.60 and 95,145.60

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Solution

The fourth proportional to 219,715.20, 329,649.60 and 95,145.60 is: 142,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,715.20 : 329,649.60 = 95,145.60 : x
  2. Step 2: Convert to fraction form
    219,715.20/329,649.60 = 95,145.60/x
  3. Step 3: Cross multiply
    219,715.20x = 329,649.60 × 95,145.60
  4. Step 4: Simplify right side
    219,715.20x = 31,364,708,981.76
  5. Step 5: Solve for x
    x = 31,364,708,981.76/219,715.20
  6. Step 6: Final answer
    x = 142,751.66

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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.