Home / 225,931.03-311,529.18-144,149.86

Finding the Fourth Proportional to 225,931.03, 311,529.18 and 144,149.86

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Solution

The fourth proportional to 225,931.03, 311,529.18 and 144,149.86 is: 198,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,931.03 : 311,529.18 = 144,149.86 : x
  2. Step 2: Convert to fraction form
    225,931.03/311,529.18 = 144,149.86/x
  3. Step 3: Cross multiply
    225,931.03x = 311,529.18 × 144,149.86
  4. Step 4: Simplify right side
    225,931.03x = 44,906,887,682.91
  5. Step 5: Solve for x
    x = 44,906,887,682.91/225,931.03
  6. Step 6: Final answer
    x = 198,763.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.