Home / 112,818.45-169,227.90-28,578.63

Finding the Fourth Proportional to 112,818.45, 169,227.90 and 28,578.63

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Solution

The fourth proportional to 112,818.45, 169,227.90 and 28,578.63 is: 42,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,818.45 : 169,227.90 = 28,578.63 : x
  2. Step 2: Convert to fraction form
    112,818.45/169,227.90 = 28,578.63/x
  3. Step 3: Cross multiply
    112,818.45x = 169,227.90 × 28,578.63
  4. Step 4: Simplify right side
    112,818.45x = 4,836,301,539.78
  5. Step 5: Solve for x
    x = 4,836,301,539.78/112,818.45
  6. Step 6: Final answer
    x = 42,868.00

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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.