Home / 163,305.72-225,360.36-91,685.52

Finding the Fourth Proportional to 163,305.72, 225,360.36 and 91,685.52

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Solution

The fourth proportional to 163,305.72, 225,360.36 and 91,685.52 is: 126,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,305.72 : 225,360.36 = 91,685.52 : x
  2. Step 2: Convert to fraction form
    163,305.72/225,360.36 = 91,685.52/x
  3. Step 3: Cross multiply
    163,305.72x = 225,360.36 × 91,685.52
  4. Step 4: Simplify right side
    163,305.72x = 20,662,281,793.99
  5. Step 5: Solve for x
    x = 20,662,281,793.99/163,305.72
  6. Step 6: Final answer
    x = 126,525.16

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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.