Home / 163,660.34-225,587.94-122,200.29

Finding the Fourth Proportional to 163,660.34, 225,587.94 and 122,200.29

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Solution

The fourth proportional to 163,660.34, 225,587.94 and 122,200.29 is: 168,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,660.34 : 225,587.94 = 122,200.29 : x
  2. Step 2: Convert to fraction form
    163,660.34/225,587.94 = 122,200.29/x
  3. Step 3: Cross multiply
    163,660.34x = 225,587.94 × 122,200.29
  4. Step 4: Simplify right side
    163,660.34x = 27,566,911,688.50
  5. Step 5: Solve for x
    x = 27,566,911,688.50/163,660.34
  6. Step 6: Final answer
    x = 168,439.79

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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.