Home / 163,100.17-225,049.75-91,483.21

Finding the Fourth Proportional to 163,100.17, 225,049.75 and 91,483.21

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Solution

The fourth proportional to 163,100.17, 225,049.75 and 91,483.21 is: 126,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,100.17 : 225,049.75 = 91,483.21 : x
  2. Step 2: Convert to fraction form
    163,100.17/225,049.75 = 91,483.21/x
  3. Step 3: Cross multiply
    163,100.17x = 225,049.75 × 91,483.21
  4. Step 4: Simplify right side
    163,100.17x = 20,588,273,539.70
  5. Step 5: Solve for x
    x = 20,588,273,539.70/163,100.17
  6. Step 6: Final answer
    x = 126,230.85

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1.5x scale

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.