Home / 112,212.84-168,318.76-45,652.42

Finding the Fourth Proportional to 112,212.84, 168,318.76 and 45,652.42

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Solution

The fourth proportional to 112,212.84, 168,318.76 and 45,652.42 is: 68,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,212.84 : 168,318.76 = 45,652.42 : x
  2. Step 2: Convert to fraction form
    112,212.84/168,318.76 = 45,652.42/x
  3. Step 3: Cross multiply
    112,212.84x = 168,318.76 × 45,652.42
  4. Step 4: Simplify right side
    112,212.84x = 7,684,158,725.40
  5. Step 5: Solve for x
    x = 7,684,158,725.40/112,212.84
  6. Step 6: Final answer
    x = 68,478.43

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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.