Home / 146,186.69-219,103.43-71,194.46

Finding the Fourth Proportional to 146,186.69, 219,103.43 and 71,194.46

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Solution

The fourth proportional to 146,186.69, 219,103.43 and 71,194.46 is: 106,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.69 : 219,103.43 = 71,194.46 : x
  2. Step 2: Convert to fraction form
    146,186.69/219,103.43 = 71,194.46/x
  3. Step 3: Cross multiply
    146,186.69x = 219,103.43 × 71,194.46
  4. Step 4: Simplify right side
    146,186.69x = 15,598,948,931.51
  5. Step 5: Solve for x
    x = 15,598,948,931.51/146,186.69
  6. Step 6: Final answer
    x = 106,705.68

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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.