Home / 152,207.70-228,321.54-39,890.67

Finding the Fourth Proportional to 152,207.70, 228,321.54 and 39,890.67

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Solution

The fourth proportional to 152,207.70, 228,321.54 and 39,890.67 is: 59,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,207.70 : 228,321.54 = 39,890.67 : x
  2. Step 2: Convert to fraction form
    152,207.70/228,321.54 = 39,890.67/x
  3. Step 3: Cross multiply
    152,207.70x = 228,321.54 × 39,890.67
  4. Step 4: Simplify right side
    152,207.70x = 9,107,899,206.03
  5. Step 5: Solve for x
    x = 9,107,899,206.03/152,207.70
  6. Step 6: Final answer
    x = 59,838.62

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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.