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Finding the Fourth Proportional to 158,951.79, 219,226.64 and 104,559.84

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Solution

The fourth proportional to 158,951.79, 219,226.64 and 104,559.84 is: 144,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,951.79 : 219,226.64 = 104,559.84 : x
  2. Step 2: Convert to fraction form
    158,951.79/219,226.64 = 104,559.84/x
  3. Step 3: Cross multiply
    158,951.79x = 219,226.64 × 104,559.84
  4. Step 4: Simplify right side
    158,951.79x = 22,922,301,879.34
  5. Step 5: Solve for x
    x = 22,922,301,879.34/158,951.79
  6. Step 6: Final answer
    x = 144,209.15

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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.