Home / 166,813.12-250,221.30-42,154.12

Finding the Fourth Proportional to 166,813.12, 250,221.30 and 42,154.12

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Solution

The fourth proportional to 166,813.12, 250,221.30 and 42,154.12 is: 63,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,813.12 : 250,221.30 = 42,154.12 : x
  2. Step 2: Convert to fraction form
    166,813.12/250,221.30 = 42,154.12/x
  3. Step 3: Cross multiply
    166,813.12x = 250,221.30 × 42,154.12
  4. Step 4: Simplify right side
    166,813.12x = 10,547,858,706.76
  5. Step 5: Solve for x
    x = 10,547,858,706.76/166,813.12
  6. Step 6: Final answer
    x = 63,231.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.