Home / 152,711.40-228,921.30-118,958.70

Finding the Fourth Proportional to 152,711.40, 228,921.30 and 118,958.70

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Solution

The fourth proportional to 152,711.40, 228,921.30 and 118,958.70 is: 178,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,711.40 : 228,921.30 = 118,958.70 : x
  2. Step 2: Convert to fraction form
    152,711.40/228,921.30 = 118,958.70/x
  3. Step 3: Cross multiply
    152,711.40x = 228,921.30 × 118,958.70
  4. Step 4: Simplify right side
    152,711.40x = 27,232,180,250.31
  5. Step 5: Solve for x
    x = 27,232,180,250.31/152,711.40
  6. Step 6: Final answer
    x = 178,324.48

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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.