Home / 163,244.87-225,266.93-90,644.03

Finding the Fourth Proportional to 163,244.87, 225,266.93 and 90,644.03

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Solution

The fourth proportional to 163,244.87, 225,266.93 and 90,644.03 is: 125,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,244.87 : 225,266.93 = 90,644.03 : x
  2. Step 2: Convert to fraction form
    163,244.87/225,266.93 = 90,644.03/x
  3. Step 3: Cross multiply
    163,244.87x = 225,266.93 × 90,644.03
  4. Step 4: Simplify right side
    163,244.87x = 20,419,102,360.93
  5. Step 5: Solve for x
    x = 20,419,102,360.93/163,244.87
  6. Step 6: Final answer
    x = 125,082.66

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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.