Home / 252,736.16-378,977.47-84,197.23

Finding the Fourth Proportional to 252,736.16, 378,977.47 and 84,197.23

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Solution

The fourth proportional to 252,736.16, 378,977.47 and 84,197.23 is: 126,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,736.16 : 378,977.47 = 84,197.23 : x
  2. Step 2: Convert to fraction form
    252,736.16/378,977.47 = 84,197.23/x
  3. Step 3: Cross multiply
    252,736.16x = 378,977.47 × 84,197.23
  4. Step 4: Simplify right side
    252,736.16x = 31,908,852,048.47
  5. Step 5: Solve for x
    x = 31,908,852,048.47/252,736.16
  6. Step 6: Final answer
    x = 126,253.61

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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.