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Finding the Fourth Proportional to 146,673.72, 219,975.30 and 67,712.13

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Solution

The fourth proportional to 146,673.72, 219,975.30 and 67,712.13 is: 101,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,673.72 : 219,975.30 = 67,712.13 : x
  2. Step 2: Convert to fraction form
    146,673.72/219,975.30 = 67,712.13/x
  3. Step 3: Cross multiply
    146,673.72x = 219,975.30 × 67,712.13
  4. Step 4: Simplify right side
    146,673.72x = 14,894,996,110.39
  5. Step 5: Solve for x
    x = 14,894,996,110.39/146,673.72
  6. Step 6: Final answer
    x = 101,551.91

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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.