Home / 166,330.72-229,305.90-112,530.52

Finding the Fourth Proportional to 166,330.72, 229,305.90 and 112,530.52

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Solution

The fourth proportional to 166,330.72, 229,305.90 and 112,530.52 is: 155,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,330.72 : 229,305.90 = 112,530.52 : x
  2. Step 2: Convert to fraction form
    166,330.72/229,305.90 = 112,530.52/x
  3. Step 3: Cross multiply
    166,330.72x = 229,305.90 × 112,530.52
  4. Step 4: Simplify right side
    166,330.72x = 25,803,912,166.07
  5. Step 5: Solve for x
    x = 25,803,912,166.07/166,330.72
  6. Step 6: Final answer
    x = 155,136.18

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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.