Home / 163,154.80-225,152.22-91,533.28

Finding the Fourth Proportional to 163,154.80, 225,152.22 and 91,533.28

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Solution

The fourth proportional to 163,154.80, 225,152.22 and 91,533.28 is: 126,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,154.80 : 225,152.22 = 91,533.28 : x
  2. Step 2: Convert to fraction form
    163,154.80/225,152.22 = 91,533.28/x
  3. Step 3: Cross multiply
    163,154.80x = 225,152.22 × 91,533.28
  4. Step 4: Simplify right side
    163,154.80x = 20,608,921,195.88
  5. Step 5: Solve for x
    x = 20,608,921,195.88/163,154.80
  6. Step 6: Final answer
    x = 126,315.14

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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.