Home / 246,529.20-369,502.20-128,139.60

Finding the Fourth Proportional to 246,529.20, 369,502.20 and 128,139.60

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Solution

The fourth proportional to 246,529.20, 369,502.20 and 128,139.60 is: 192,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,529.20 : 369,502.20 = 128,139.60 : x
  2. Step 2: Convert to fraction form
    246,529.20/369,502.20 = 128,139.60/x
  3. Step 3: Cross multiply
    246,529.20x = 369,502.20 × 128,139.60
  4. Step 4: Simplify right side
    246,529.20x = 47,347,864,107.12
  5. Step 5: Solve for x
    x = 47,347,864,107.12/246,529.20
  6. Step 6: Final answer
    x = 192,057.83

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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.