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Finding the Fourth Proportional to 97,370, 134,371.62 and 54,353.54

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Solution

The fourth proportional to 97,370, 134,371.62 and 54,353.54 is: 75,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,370 : 134,371.62 = 54,353.54 : x
  2. Step 2: Convert to fraction form
    97,370/134,371.62 = 54,353.54/x
  3. Step 3: Cross multiply
    97,370x = 134,371.62 × 54,353.54
  4. Step 4: Simplify right side
    97,370x = 7,303,573,222.53
  5. Step 5: Solve for x
    x = 7,303,573,222.53/97,370
  6. Step 6: Final answer
    x = 75,008.45

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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.