Home / 166,181.58-229,329.36-90,730.08

Finding the Fourth Proportional to 166,181.58, 229,329.36 and 90,730.08

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Solution

The fourth proportional to 166,181.58, 229,329.36 and 90,730.08 is: 125,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,181.58 : 229,329.36 = 90,730.08 : x
  2. Step 2: Convert to fraction form
    166,181.58/229,329.36 = 90,730.08/x
  3. Step 3: Cross multiply
    166,181.58x = 229,329.36 × 90,730.08
  4. Step 4: Simplify right side
    166,181.58x = 20,807,071,179.15
  5. Step 5: Solve for x
    x = 20,807,071,179.15/166,181.58
  6. Step 6: Final answer
    x = 125,206.84

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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.