Home / 163,953.20-226,263.84-100,271

Finding the Fourth Proportional to 163,953.20, 226,263.84 and 100,271

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Solution

The fourth proportional to 163,953.20, 226,263.84 and 100,271 is: 138,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,953.20 : 226,263.84 = 100,271 : x
  2. Step 2: Convert to fraction form
    163,953.20/226,263.84 = 100,271/x
  3. Step 3: Cross multiply
    163,953.20x = 226,263.84 × 100,271
  4. Step 4: Simplify right side
    163,953.20x = 22,687,701,500.64
  5. Step 5: Solve for x
    x = 22,687,701,500.64/163,953.20
  6. Step 6: Final answer
    x = 138,379.13

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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.