Home / 109,387.86-163,983.24-39,250.68

Finding the Fourth Proportional to 109,387.86, 163,983.24 and 39,250.68

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Solution

The fourth proportional to 109,387.86, 163,983.24 and 39,250.68 is: 58,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387.86 : 163,983.24 = 39,250.68 : x
  2. Step 2: Convert to fraction form
    109,387.86/163,983.24 = 39,250.68/x
  3. Step 3: Cross multiply
    109,387.86x = 163,983.24 × 39,250.68
  4. Step 4: Simplify right side
    109,387.86x = 6,436,453,678.60
  5. Step 5: Solve for x
    x = 6,436,453,678.60/109,387.86
  6. Step 6: Final answer
    x = 58,840.66

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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.