Home / 152,018.68-228,077.24-73,122.64

Finding the Fourth Proportional to 152,018.68, 228,077.24 and 73,122.64

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Solution

The fourth proportional to 152,018.68, 228,077.24 and 73,122.64 is: 109,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,018.68 : 228,077.24 = 73,122.64 : x
  2. Step 2: Convert to fraction form
    152,018.68/228,077.24 = 73,122.64/x
  3. Step 3: Cross multiply
    152,018.68x = 228,077.24 × 73,122.64
  4. Step 4: Simplify right side
    152,018.68x = 16,677,609,912.71
  5. Step 5: Solve for x
    x = 16,677,609,912.71/152,018.68
  6. Step 6: Final answer
    x = 109,707.64

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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.