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Finding the Fourth Proportional to 97,343.37, 145,928.27 and 52,388.87

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Solution

The fourth proportional to 97,343.37, 145,928.27 and 52,388.87 is: 78,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,343.37 : 145,928.27 = 52,388.87 : x
  2. Step 2: Convert to fraction form
    97,343.37/145,928.27 = 52,388.87/x
  3. Step 3: Cross multiply
    97,343.37x = 145,928.27 × 52,388.87
  4. Step 4: Simplify right side
    97,343.37x = 7,645,016,567.69
  5. Step 5: Solve for x
    x = 7,645,016,567.69/97,343.37
  6. Step 6: Final answer
    x = 78,536.59

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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.