Home / 163,560.20-245,081.10-121,569.80

Finding the Fourth Proportional to 163,560.20, 245,081.10 and 121,569.80

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Solution

The fourth proportional to 163,560.20, 245,081.10 and 121,569.80 is: 182,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,560.20 : 245,081.10 = 121,569.80 : x
  2. Step 2: Convert to fraction form
    163,560.20/245,081.10 = 121,569.80/x
  3. Step 3: Cross multiply
    163,560.20x = 245,081.10 × 121,569.80
  4. Step 4: Simplify right side
    163,560.20x = 29,794,460,310.78
  5. Step 5: Solve for x
    x = 29,794,460,310.78/163,560.20
  6. Step 6: Final answer
    x = 182,162.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.