Home / 143,736.08-215,645.74-59,480.69

Finding the Fourth Proportional to 143,736.08, 215,645.74 and 59,480.69

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Solution

The fourth proportional to 143,736.08, 215,645.74 and 59,480.69 is: 89,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736.08 : 215,645.74 = 59,480.69 : x
  2. Step 2: Convert to fraction form
    143,736.08/215,645.74 = 59,480.69/x
  3. Step 3: Cross multiply
    143,736.08x = 215,645.74 × 59,480.69
  4. Step 4: Simplify right side
    143,736.08x = 12,826,756,183.83
  5. Step 5: Solve for x
    x = 12,826,756,183.83/143,736.08
  6. Step 6: Final answer
    x = 89,238.25

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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.