Home / 166,071.08-229,175.94-90,618.28

Finding the Fourth Proportional to 166,071.08, 229,175.94 and 90,618.28

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Solution

The fourth proportional to 166,071.08, 229,175.94 and 90,618.28 is: 125,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,071.08 : 229,175.94 = 90,618.28 : x
  2. Step 2: Convert to fraction form
    166,071.08/229,175.94 = 90,618.28/x
  3. Step 3: Cross multiply
    166,071.08x = 229,175.94 × 90,618.28
  4. Step 4: Simplify right side
    166,071.08x = 20,767,529,500.18
  5. Step 5: Solve for x
    x = 20,767,529,500.18/166,071.08
  6. Step 6: Final answer
    x = 125,052.05

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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.