Home / 112,494.09-168,787.71-49,281.55

Finding the Fourth Proportional to 112,494.09, 168,787.71 and 49,281.55

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Solution

The fourth proportional to 112,494.09, 168,787.71 and 49,281.55 is: 73,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,494.09 : 168,787.71 = 49,281.55 : x
  2. Step 2: Convert to fraction form
    112,494.09/168,787.71 = 49,281.55/x
  3. Step 3: Cross multiply
    112,494.09x = 168,787.71 × 49,281.55
  4. Step 4: Simplify right side
    112,494.09x = 8,318,119,969.75
  5. Step 5: Solve for x
    x = 8,318,119,969.75/112,494.09
  6. Step 6: Final answer
    x = 73,942.73

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1.5x scale

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.