Home / 169,212.13-253,818.78-42,852.34

Finding the Fourth Proportional to 169,212.13, 253,818.78 and 42,852.34

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Solution

The fourth proportional to 169,212.13, 253,818.78 and 42,852.34 is: 64,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,212.13 : 253,818.78 = 42,852.34 : x
  2. Step 2: Convert to fraction form
    169,212.13/253,818.78 = 42,852.34/x
  3. Step 3: Cross multiply
    169,212.13x = 253,818.78 × 42,852.34
  4. Step 4: Simplify right side
    169,212.13x = 10,876,728,658.95
  5. Step 5: Solve for x
    x = 10,876,728,658.95/169,212.13
  6. Step 6: Final answer
    x = 64,278.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.