Home / 166,503.06-229,863.15-112,133.16

Finding the Fourth Proportional to 166,503.06, 229,863.15 and 112,133.16

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Solution

The fourth proportional to 166,503.06, 229,863.15 and 112,133.16 is: 154,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,503.06 : 229,863.15 = 112,133.16 : x
  2. Step 2: Convert to fraction form
    166,503.06/229,863.15 = 112,133.16/x
  3. Step 3: Cross multiply
    166,503.06x = 229,863.15 × 112,133.16
  4. Step 4: Simplify right side
    166,503.06x = 25,775,281,377.05
  5. Step 5: Solve for x
    x = 25,775,281,377.05/166,503.06
  6. Step 6: Final answer
    x = 154,803.65

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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.