Home / 143,606.22-215,417.43-43,769.67

Finding the Fourth Proportional to 143,606.22, 215,417.43 and 43,769.67

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Solution

The fourth proportional to 143,606.22, 215,417.43 and 43,769.67 is: 65,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,606.22 : 215,417.43 = 43,769.67 : x
  2. Step 2: Convert to fraction form
    143,606.22/215,417.43 = 43,769.67/x
  3. Step 3: Cross multiply
    143,606.22x = 215,417.43 × 43,769.67
  4. Step 4: Simplify right side
    143,606.22x = 9,428,749,823.35
  5. Step 5: Solve for x
    x = 9,428,749,823.35/143,606.22
  6. Step 6: Final answer
    x = 65,656.97

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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.