Home / 109,969.29-151,757.64-62,221.68

Finding the Fourth Proportional to 109,969.29, 151,757.64 and 62,221.68

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Solution

The fourth proportional to 109,969.29, 151,757.64 and 62,221.68 is: 85,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,969.29 : 151,757.64 = 62,221.68 : x
  2. Step 2: Convert to fraction form
    109,969.29/151,757.64 = 62,221.68/x
  3. Step 3: Cross multiply
    109,969.29x = 151,757.64 × 62,221.68
  4. Step 4: Simplify right side
    109,969.29x = 9,442,615,313.64
  5. Step 5: Solve for x
    x = 9,442,615,313.64/109,969.29
  6. Step 6: Final answer
    x = 85,865.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.