Home / 152,021.68-228,081.74-73,125.64

Finding the Fourth Proportional to 152,021.68, 228,081.74 and 73,125.64

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Solution

The fourth proportional to 152,021.68, 228,081.74 and 73,125.64 is: 109,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,021.68 : 228,081.74 = 73,125.64 : x
  2. Step 2: Convert to fraction form
    152,021.68/228,081.74 = 73,125.64/x
  3. Step 3: Cross multiply
    152,021.68x = 228,081.74 × 73,125.64
  4. Step 4: Simplify right side
    152,021.68x = 16,678,623,209.81
  5. Step 5: Solve for x
    x = 16,678,623,209.81/152,021.68
  6. Step 6: Final answer
    x = 109,712.14

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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.