Home / 152,780.18-228,838.11-93,436.34

Finding the Fourth Proportional to 152,780.18, 228,838.11 and 93,436.34

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Solution

The fourth proportional to 152,780.18, 228,838.11 and 93,436.34 is: 139,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,780.18 : 228,838.11 = 93,436.34 : x
  2. Step 2: Convert to fraction form
    152,780.18/228,838.11 = 93,436.34/x
  3. Step 3: Cross multiply
    152,780.18x = 228,838.11 × 93,436.34
  4. Step 4: Simplify right side
    152,780.18x = 21,381,795,450.92
  5. Step 5: Solve for x
    x = 21,381,795,450.92/152,780.18
  6. Step 6: Final answer
    x = 139,951.37

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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.