Home / 213,909.07-295,225.40-123,247.66

Finding the Fourth Proportional to 213,909.07, 295,225.40 and 123,247.66

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Solution

The fourth proportional to 213,909.07, 295,225.40 and 123,247.66 is: 170,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,909.07 : 295,225.40 = 123,247.66 : x
  2. Step 2: Convert to fraction form
    213,909.07/295,225.40 = 123,247.66/x
  3. Step 3: Cross multiply
    213,909.07x = 295,225.40 × 123,247.66
  4. Step 4: Simplify right side
    213,909.07x = 36,385,837,630.20
  5. Step 5: Solve for x
    x = 36,385,837,630.20/213,909.07
  6. Step 6: Final answer
    x = 170,099.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.