Home / 116,989.28-161,444.60-63,274.24

Finding the Fourth Proportional to 116,989.28, 161,444.60 and 63,274.24

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Solution

The fourth proportional to 116,989.28, 161,444.60 and 63,274.24 is: 87,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,989.28 : 161,444.60 = 63,274.24 : x
  2. Step 2: Convert to fraction form
    116,989.28/161,444.60 = 63,274.24/x
  3. Step 3: Cross multiply
    116,989.28x = 161,444.60 × 63,274.24
  4. Step 4: Simplify right side
    116,989.28x = 10,215,284,367.10
  5. Step 5: Solve for x
    x = 10,215,284,367.10/116,989.28
  6. Step 6: Final answer
    x = 87,318.12

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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.