Home / 112,291.68-154,953.21-63,880.73

Finding the Fourth Proportional to 112,291.68, 154,953.21 and 63,880.73

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Solution

The fourth proportional to 112,291.68, 154,953.21 and 63,880.73 is: 88,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291.68 : 154,953.21 = 63,880.73 : x
  2. Step 2: Convert to fraction form
    112,291.68/154,953.21 = 63,880.73/x
  3. Step 3: Cross multiply
    112,291.68x = 154,953.21 × 63,880.73
  4. Step 4: Simplify right side
    112,291.68x = 9,898,523,395.88
  5. Step 5: Solve for x
    x = 9,898,523,395.88/112,291.68
  6. Step 6: Final answer
    x = 88,150.11

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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.