Home / 166,153.76-229,296.12-90,702.80

Finding the Fourth Proportional to 166,153.76, 229,296.12 and 90,702.80

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Solution

The fourth proportional to 166,153.76, 229,296.12 and 90,702.80 is: 125,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,153.76 : 229,296.12 = 90,702.80 : x
  2. Step 2: Convert to fraction form
    166,153.76/229,296.12 = 90,702.80/x
  3. Step 3: Cross multiply
    166,153.76x = 229,296.12 × 90,702.80
  4. Step 4: Simplify right side
    166,153.76x = 20,797,800,113.14
  5. Step 5: Solve for x
    x = 20,797,800,113.14/166,153.76
  6. Step 6: Final answer
    x = 125,172.01

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1.5x scale

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.