Home / 163,660.50-225,854.68-99,132.15

Finding the Fourth Proportional to 163,660.50, 225,854.68 and 99,132.15

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Solution

The fourth proportional to 163,660.50, 225,854.68 and 99,132.15 is: 136,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,660.50 : 225,854.68 = 99,132.15 : x
  2. Step 2: Convert to fraction form
    163,660.50/225,854.68 = 99,132.15/x
  3. Step 3: Cross multiply
    163,660.50x = 225,854.68 × 99,132.15
  4. Step 4: Simplify right side
    163,660.50x = 22,389,460,800.96
  5. Step 5: Solve for x
    x = 22,389,460,800.96/163,660.50
  6. Step 6: Final answer
    x = 136,804.30

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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.