Home / 215,123.60-296,562.84-143,477.48

Finding the Fourth Proportional to 215,123.60, 296,562.84 and 143,477.48

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Solution

The fourth proportional to 215,123.60, 296,562.84 and 143,477.48 is: 197,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,123.60 : 296,562.84 = 143,477.48 : x
  2. Step 2: Convert to fraction form
    215,123.60/296,562.84 = 143,477.48/x
  3. Step 3: Cross multiply
    215,123.60x = 296,562.84 × 143,477.48
  4. Step 4: Simplify right side
    215,123.60x = 42,550,088,944.84
  5. Step 5: Solve for x
    x = 42,550,088,944.84/215,123.60
  6. Step 6: Final answer
    x = 197,793.68

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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.