Home / 102,358.37-153,432.32-39,163.65

Finding the Fourth Proportional to 102,358.37, 153,432.32 and 39,163.65

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Solution

The fourth proportional to 102,358.37, 153,432.32 and 39,163.65 is: 58,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,358.37 : 153,432.32 = 39,163.65 : x
  2. Step 2: Convert to fraction form
    102,358.37/153,432.32 = 39,163.65/x
  3. Step 3: Cross multiply
    102,358.37x = 153,432.32 × 39,163.65
  4. Step 4: Simplify right side
    102,358.37x = 6,008,969,483.35
  5. Step 5: Solve for x
    x = 6,008,969,483.35/102,358.37
  6. Step 6: Final answer
    x = 58,705.21

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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.