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Finding the Fourth Proportional to 173,387, 239,293.53 and 97,940.36

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Solution

The fourth proportional to 173,387, 239,293.53 and 97,940.36 is: 135,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387 : 239,293.53 = 97,940.36 : x
  2. Step 2: Convert to fraction form
    173,387/239,293.53 = 97,940.36/x
  3. Step 3: Cross multiply
    173,387x = 239,293.53 × 97,940.36
  4. Step 4: Simplify right side
    173,387x = 23,436,494,473.87
  5. Step 5: Solve for x
    x = 23,436,494,473.87/173,387
  6. Step 6: Final answer
    x = 135,168.69

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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.