Home / 112,447.20-168,681.80-32,487

Finding the Fourth Proportional to 112,447.20, 168,681.80 and 32,487

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Solution

The fourth proportional to 112,447.20, 168,681.80 and 32,487 is: 48,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,447.20 : 168,681.80 = 32,487 : x
  2. Step 2: Convert to fraction form
    112,447.20/168,681.80 = 32,487/x
  3. Step 3: Cross multiply
    112,447.20x = 168,681.80 × 32,487
  4. Step 4: Simplify right side
    112,447.20x = 5,479,965,636.60
  5. Step 5: Solve for x
    x = 5,479,965,636.60/112,447.20
  6. Step 6: Final answer
    x = 48,733.68

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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.