Home / 166,772.07-230,145.50-90,291.15

Finding the Fourth Proportional to 166,772.07, 230,145.50 and 90,291.15

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Solution

The fourth proportional to 166,772.07, 230,145.50 and 90,291.15 is: 124,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.07 : 230,145.50 = 90,291.15 : x
  2. Step 2: Convert to fraction form
    166,772.07/230,145.50 = 90,291.15/x
  3. Step 3: Cross multiply
    166,772.07x = 230,145.50 × 90,291.15
  4. Step 4: Simplify right side
    166,772.07x = 20,780,102,088.05
  5. Step 5: Solve for x
    x = 20,780,102,088.05/166,772.07
  6. Step 6: Final answer
    x = 124,601.81

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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.