Home / 152,302.53-228,318.09-72,291.13

Finding the Fourth Proportional to 152,302.53, 228,318.09 and 72,291.13

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Solution

The fourth proportional to 152,302.53, 228,318.09 and 72,291.13 is: 108,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,302.53 : 228,318.09 = 72,291.13 : x
  2. Step 2: Convert to fraction form
    152,302.53/228,318.09 = 72,291.13/x
  3. Step 3: Cross multiply
    152,302.53x = 228,318.09 × 72,291.13
  4. Step 4: Simplify right side
    152,302.53x = 16,505,372,725.54
  5. Step 5: Solve for x
    x = 16,505,372,725.54/152,302.53
  6. Step 6: Final answer
    x = 108,372.28

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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.