Home / 166,868.08-230,276.76-90,385.46

Finding the Fourth Proportional to 166,868.08, 230,276.76 and 90,385.46

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Solution

The fourth proportional to 166,868.08, 230,276.76 and 90,385.46 is: 124,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,868.08 : 230,276.76 = 90,385.46 : x
  2. Step 2: Convert to fraction form
    166,868.08/230,276.76 = 90,385.46/x
  3. Step 3: Cross multiply
    166,868.08x = 230,276.76 × 90,385.46
  4. Step 4: Simplify right side
    166,868.08x = 20,813,670,879.91
  5. Step 5: Solve for x
    x = 20,813,670,879.91/166,868.08
  6. Step 6: Final answer
    x = 124,731.29

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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.