Home / 143,696.06-215,544.06-43,856.76

Finding the Fourth Proportional to 143,696.06, 215,544.06 and 43,856.76

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Solution

The fourth proportional to 143,696.06, 215,544.06 and 43,856.76 is: 65,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,696.06 : 215,544.06 = 43,856.76 : x
  2. Step 2: Convert to fraction form
    143,696.06/215,544.06 = 43,856.76/x
  3. Step 3: Cross multiply
    143,696.06x = 215,544.06 × 43,856.76
  4. Step 4: Simplify right side
    143,696.06x = 9,453,064,108.85
  5. Step 5: Solve for x
    x = 9,453,064,108.85/143,696.06
  6. Step 6: Final answer
    x = 65,785.13

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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.