Home / 159,100.50-219,556.91-118,446.40

Finding the Fourth Proportional to 159,100.50, 219,556.91 and 118,446.40

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Solution

The fourth proportional to 159,100.50, 219,556.91 and 118,446.40 is: 163,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,100.50 : 219,556.91 = 118,446.40 : x
  2. Step 2: Convert to fraction form
    159,100.50/219,556.91 = 118,446.40/x
  3. Step 3: Cross multiply
    159,100.50x = 219,556.91 × 118,446.40
  4. Step 4: Simplify right side
    159,100.50x = 26,005,726,155.19
  5. Step 5: Solve for x
    x = 26,005,726,155.19/159,100.50
  6. Step 6: Final answer
    x = 163,454.71

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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.