Home / 163,566.30-225,740.21-90,976.53

Finding the Fourth Proportional to 163,566.30, 225,740.21 and 90,976.53

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Solution

The fourth proportional to 163,566.30, 225,740.21 and 90,976.53 is: 125,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,566.30 : 225,740.21 = 90,976.53 : x
  2. Step 2: Convert to fraction form
    163,566.30/225,740.21 = 90,976.53/x
  3. Step 3: Cross multiply
    163,566.30x = 225,740.21 × 90,976.53
  4. Step 4: Simplify right side
    163,566.30x = 20,537,060,532.39
  5. Step 5: Solve for x
    x = 20,537,060,532.39/163,566.30
  6. Step 6: Final answer
    x = 125,558.02

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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.