Home / 143,785.06-215,677.59-43,945.54

Finding the Fourth Proportional to 143,785.06, 215,677.59 and 43,945.54

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Solution

The fourth proportional to 143,785.06, 215,677.59 and 43,945.54 is: 65,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,785.06 : 215,677.59 = 43,945.54 : x
  2. Step 2: Convert to fraction form
    143,785.06/215,677.59 = 43,945.54/x
  3. Step 3: Cross multiply
    143,785.06x = 215,677.59 × 43,945.54
  4. Step 4: Simplify right side
    143,785.06x = 9,478,068,158.45
  5. Step 5: Solve for x
    x = 9,478,068,158.45/143,785.06
  6. Step 6: Final answer
    x = 65,918.31

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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.