Home / 283,821.37-425,733.71-84,143.48

Finding the Fourth Proportional to 283,821.37, 425,733.71 and 84,143.48

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Solution

The fourth proportional to 283,821.37, 425,733.71 and 84,143.48 is: 126,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,821.37 : 425,733.71 = 84,143.48 : x
  2. Step 2: Convert to fraction form
    283,821.37/425,733.71 = 84,143.48/x
  3. Step 3: Cross multiply
    283,821.37x = 425,733.71 × 84,143.48
  4. Step 4: Simplify right side
    283,821.37x = 35,822,713,363.32
  5. Step 5: Solve for x
    x = 35,822,713,363.32/283,821.37
  6. Step 6: Final answer
    x = 126,215.70

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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.