Home / 166,911.36-250,430.96-100,398.60

Finding the Fourth Proportional to 166,911.36, 250,430.96 and 100,398.60

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Solution

The fourth proportional to 166,911.36, 250,430.96 and 100,398.60 is: 150,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,911.36 : 250,430.96 = 100,398.60 : x
  2. Step 2: Convert to fraction form
    166,911.36/250,430.96 = 100,398.60/x
  3. Step 3: Cross multiply
    166,911.36x = 250,430.96 × 100,398.60
  4. Step 4: Simplify right side
    166,911.36x = 25,142,917,780.66
  5. Step 5: Solve for x
    x = 25,142,917,780.66/166,911.36
  6. Step 6: Final answer
    x = 150,636.35

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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.