Home / 145,937.37-218,887.94-39,329.67

Finding the Fourth Proportional to 145,937.37, 218,887.94 and 39,329.67

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Solution

The fourth proportional to 145,937.37, 218,887.94 and 39,329.67 is: 58,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,937.37 : 218,887.94 = 39,329.67 : x
  2. Step 2: Convert to fraction form
    145,937.37/218,887.94 = 39,329.67/x
  3. Step 3: Cross multiply
    145,937.37x = 218,887.94 × 39,329.67
  4. Step 4: Simplify right side
    145,937.37x = 8,608,790,545.50
  5. Step 5: Solve for x
    x = 8,608,790,545.50/145,937.37
  6. Step 6: Final answer
    x = 58,989.62

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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.