Home / 152,301.28-228,316.22-72,289.88

Finding the Fourth Proportional to 152,301.28, 228,316.22 and 72,289.88

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Solution

The fourth proportional to 152,301.28, 228,316.22 and 72,289.88 is: 108,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,301.28 : 228,316.22 = 72,289.88 : x
  2. Step 2: Convert to fraction form
    152,301.28/228,316.22 = 72,289.88/x
  3. Step 3: Cross multiply
    152,301.28x = 228,316.22 × 72,289.88
  4. Step 4: Simplify right side
    152,301.28x = 16,504,952,355.19
  5. Step 5: Solve for x
    x = 16,504,952,355.19/152,301.28
  6. Step 6: Final answer
    x = 108,370.41

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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.