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Finding the Fourth Proportional to 153,659.03, 230,338.86 and 69,440.39

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Solution

The fourth proportional to 153,659.03, 230,338.86 and 69,440.39 is: 104,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,659.03 : 230,338.86 = 69,440.39 : x
  2. Step 2: Convert to fraction form
    153,659.03/230,338.86 = 69,440.39/x
  3. Step 3: Cross multiply
    153,659.03x = 230,338.86 × 69,440.39
  4. Step 4: Simplify right side
    153,659.03x = 15,994,819,118.86
  5. Step 5: Solve for x
    x = 15,994,819,118.86/153,659.03
  6. Step 6: Final answer
    x = 104,092.94

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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.