Home / 114,262.28-157,517.62-80,165.12

Finding the Fourth Proportional to 114,262.28, 157,517.62 and 80,165.12

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Solution

The fourth proportional to 114,262.28, 157,517.62 and 80,165.12 is: 110,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,262.28 : 157,517.62 = 80,165.12 : x
  2. Step 2: Convert to fraction form
    114,262.28/157,517.62 = 80,165.12/x
  3. Step 3: Cross multiply
    114,262.28x = 157,517.62 × 80,165.12
  4. Step 4: Simplify right side
    114,262.28x = 12,627,418,909.41
  5. Step 5: Solve for x
    x = 12,627,418,909.41/114,262.28
  6. Step 6: Final answer
    x = 110,512.58

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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.