Home / 218,239.86-301,168.04-122,746.52

Finding the Fourth Proportional to 218,239.86, 301,168.04 and 122,746.52

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Solution

The fourth proportional to 218,239.86, 301,168.04 and 122,746.52 is: 169,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,239.86 : 301,168.04 = 122,746.52 : x
  2. Step 2: Convert to fraction form
    218,239.86/301,168.04 = 122,746.52/x
  3. Step 3: Cross multiply
    218,239.86x = 301,168.04 × 122,746.52
  4. Step 4: Simplify right side
    218,239.86x = 36,967,328,845.22
  5. Step 5: Solve for x
    x = 36,967,328,845.22/218,239.86
  6. Step 6: Final answer
    x = 169,388.53

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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.