Home / 152,211.92-228,315.47-52,372.98

Finding the Fourth Proportional to 152,211.92, 228,315.47 and 52,372.98

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Solution

The fourth proportional to 152,211.92, 228,315.47 and 52,372.98 is: 78,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,211.92 : 228,315.47 = 52,372.98 : x
  2. Step 2: Convert to fraction form
    152,211.92/228,315.47 = 52,372.98/x
  3. Step 3: Cross multiply
    152,211.92x = 228,315.47 × 52,372.98
  4. Step 4: Simplify right side
    152,211.92x = 11,957,561,282.14
  5. Step 5: Solve for x
    x = 11,957,561,282.14/152,211.92
  6. Step 6: Final answer
    x = 78,558.64

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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.