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Finding the Fourth Proportional to 155,433.74, 214,498.56 and 88,365.74

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Solution

The fourth proportional to 155,433.74, 214,498.56 and 88,365.74 is: 121,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,433.74 : 214,498.56 = 88,365.74 : x
  2. Step 2: Convert to fraction form
    155,433.74/214,498.56 = 88,365.74/x
  3. Step 3: Cross multiply
    155,433.74x = 214,498.56 × 88,365.74
  4. Step 4: Simplify right side
    155,433.74x = 18,954,322,910.84
  5. Step 5: Solve for x
    x = 18,954,322,910.84/155,433.74
  6. Step 6: Final answer
    x = 121,944.72

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1.5x scale

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.