Home / 163,543.07-225,695.83-91,922.87

Finding the Fourth Proportional to 163,543.07, 225,695.83 and 91,922.87

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Solution

The fourth proportional to 163,543.07, 225,695.83 and 91,922.87 is: 126,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,543.07 : 225,695.83 = 91,922.87 : x
  2. Step 2: Convert to fraction form
    163,543.07/225,695.83 = 91,922.87/x
  3. Step 3: Cross multiply
    163,543.07x = 225,695.83 × 91,922.87
  4. Step 4: Simplify right side
    163,543.07x = 20,746,607,082.35
  5. Step 5: Solve for x
    x = 20,746,607,082.35/163,543.07
  6. Step 6: Final answer
    x = 126,857.15

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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.