Home / 152,021.82-228,036.65-72,041.02

Finding the Fourth Proportional to 152,021.82, 228,036.65 and 72,041.02

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Solution

The fourth proportional to 152,021.82, 228,036.65 and 72,041.02 is: 108,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,021.82 : 228,036.65 = 72,041.02 : x
  2. Step 2: Convert to fraction form
    152,021.82/228,036.65 = 72,041.02/x
  3. Step 3: Cross multiply
    152,021.82x = 228,036.65 × 72,041.02
  4. Step 4: Simplify right side
    152,021.82x = 16,427,992,863.38
  5. Step 5: Solve for x
    x = 16,427,992,863.38/152,021.82
  6. Step 6: Final answer
    x = 108,063.39

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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.