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Finding the Fourth Proportional to 159,873.69, 220,627.22 and 88,252.17

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Solution

The fourth proportional to 159,873.69, 220,627.22 and 88,252.17 is: 121,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,873.69 : 220,627.22 = 88,252.17 : x
  2. Step 2: Convert to fraction form
    159,873.69/220,627.22 = 88,252.17/x
  3. Step 3: Cross multiply
    159,873.69x = 220,627.22 × 88,252.17
  4. Step 4: Simplify right side
    159,873.69x = 19,470,830,926.07
  5. Step 5: Solve for x
    x = 19,470,830,926.07/159,873.69
  6. Step 6: Final answer
    x = 121,788.84

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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.