Home / 246,359.20-369,538.80-80,147.20

Finding the Fourth Proportional to 246,359.20, 369,538.80 and 80,147.20

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Solution

The fourth proportional to 246,359.20, 369,538.80 and 80,147.20 is: 120,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,359.20 : 369,538.80 = 80,147.20 : x
  2. Step 2: Convert to fraction form
    246,359.20/369,538.80 = 80,147.20/x
  3. Step 3: Cross multiply
    246,359.20x = 369,538.80 × 80,147.20
  4. Step 4: Simplify right side
    246,359.20x = 29,617,500,111.36
  5. Step 5: Solve for x
    x = 29,617,500,111.36/246,359.20
  6. Step 6: Final answer
    x = 120,220.80

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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.