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Finding the Fourth Proportional to 173,449.92, 239,365.52 and 97,996.80

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Solution

The fourth proportional to 173,449.92, 239,365.52 and 97,996.80 is: 135,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,449.92 : 239,365.52 = 97,996.80 : x
  2. Step 2: Convert to fraction form
    173,449.92/239,365.52 = 97,996.80/x
  3. Step 3: Cross multiply
    173,449.92x = 239,365.52 × 97,996.80
  4. Step 4: Simplify right side
    173,449.92x = 23,457,054,990.34
  5. Step 5: Solve for x
    x = 23,457,054,990.34/173,449.92
  6. Step 6: Final answer
    x = 135,238.20

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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.