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Finding the Fourth Proportional to 144,624.92, 199,582.39 and 88,036.29

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Solution

The fourth proportional to 144,624.92, 199,582.39 and 88,036.29 is: 121,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624.92 : 199,582.39 = 88,036.29 : x
  2. Step 2: Convert to fraction form
    144,624.92/199,582.39 = 88,036.29/x
  3. Step 3: Cross multiply
    144,624.92x = 199,582.39 × 88,036.29
  4. Step 4: Simplify right side
    144,624.92x = 17,570,493,164.93
  5. Step 5: Solve for x
    x = 17,570,493,164.93/144,624.92
  6. Step 6: Final answer
    x = 121,490.08

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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.