Home / 132,313.81-198,501.47-43,568.09

Finding the Fourth Proportional to 132,313.81, 198,501.47 and 43,568.09

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Solution

The fourth proportional to 132,313.81, 198,501.47 and 43,568.09 is: 65,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,313.81 : 198,501.47 = 43,568.09 : x
  2. Step 2: Convert to fraction form
    132,313.81/198,501.47 = 43,568.09/x
  3. Step 3: Cross multiply
    132,313.81x = 198,501.47 × 43,568.09
  4. Step 4: Simplify right side
    132,313.81x = 8,648,328,699.74
  5. Step 5: Solve for x
    x = 8,648,328,699.74/132,313.81
  6. Step 6: Final answer
    x = 65,362.25

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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.