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Finding the Fourth Proportional to 114,873.18, 158,531.14 and 67,154.46

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Solution

The fourth proportional to 114,873.18, 158,531.14 and 67,154.46 is: 92,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,873.18 : 158,531.14 = 67,154.46 : x
  2. Step 2: Convert to fraction form
    114,873.18/158,531.14 = 67,154.46/x
  3. Step 3: Cross multiply
    114,873.18x = 158,531.14 × 67,154.46
  4. Step 4: Simplify right side
    114,873.18x = 10,646,073,099.88
  5. Step 5: Solve for x
    x = 10,646,073,099.88/114,873.18
  6. Step 6: Final answer
    x = 92,676.75

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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.