Home / 84,363.10-126,501.66-28,183.02

Finding the Fourth Proportional to 84,363.10, 126,501.66 and 28,183.02

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Solution

The fourth proportional to 84,363.10, 126,501.66 and 28,183.02 is: 42,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,363.10 : 126,501.66 = 28,183.02 : x
  2. Step 2: Convert to fraction form
    84,363.10/126,501.66 = 28,183.02/x
  3. Step 3: Cross multiply
    84,363.10x = 126,501.66 × 28,183.02
  4. Step 4: Simplify right side
    84,363.10x = 3,565,198,813.81
  5. Step 5: Solve for x
    x = 3,565,198,813.81/84,363.10
  6. Step 6: Final answer
    x = 42,260.17

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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.