Home / 112,487.40-168,734.14-49,275

Finding the Fourth Proportional to 112,487.40, 168,734.14 and 49,275

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Solution

The fourth proportional to 112,487.40, 168,734.14 and 49,275 is: 73,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,487.40 : 168,734.14 = 49,275 : x
  2. Step 2: Convert to fraction form
    112,487.40/168,734.14 = 49,275/x
  3. Step 3: Cross multiply
    112,487.40x = 168,734.14 × 49,275
  4. Step 4: Simplify right side
    112,487.40x = 8,314,374,625.31
  5. Step 5: Solve for x
    x = 8,314,374,625.31/112,487.40
  6. Step 6: Final answer
    x = 73,913.83

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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.