Home / 152,268.14-228,251.54-72,165.32

Finding the Fourth Proportional to 152,268.14, 228,251.54 and 72,165.32

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Solution

The fourth proportional to 152,268.14, 228,251.54 and 72,165.32 is: 108,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,268.14 : 228,251.54 = 72,165.32 : x
  2. Step 2: Convert to fraction form
    152,268.14/228,251.54 = 72,165.32/x
  3. Step 3: Cross multiply
    152,268.14x = 228,251.54 × 72,165.32
  4. Step 4: Simplify right side
    152,268.14x = 16,471,845,424.59
  5. Step 5: Solve for x
    x = 16,471,845,424.59/152,268.14
  6. Step 6: Final answer
    x = 108,176.57

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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.