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Finding the Fourth Proportional to 173,580.77, 239,530.16 and 97,086.62

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Solution

The fourth proportional to 173,580.77, 239,530.16 and 97,086.62 is: 133,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,580.77 : 239,530.16 = 97,086.62 : x
  2. Step 2: Convert to fraction form
    173,580.77/239,530.16 = 97,086.62/x
  3. Step 3: Cross multiply
    173,580.77x = 239,530.16 × 97,086.62
  4. Step 4: Simplify right side
    173,580.77x = 23,255,172,424.81
  5. Step 5: Solve for x
    x = 23,255,172,424.81/173,580.77
  6. Step 6: Final answer
    x = 133,973.21

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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.