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Finding the Fourth Proportional to 159,900.48, 239,163.84 and 93,173.76

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Solution

The fourth proportional to 159,900.48, 239,163.84 and 93,173.76 is: 139,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,900.48 : 239,163.84 = 93,173.76 : x
  2. Step 2: Convert to fraction form
    159,900.48/239,163.84 = 93,173.76/x
  3. Step 3: Cross multiply
    159,900.48x = 239,163.84 × 93,173.76
  4. Step 4: Simplify right side
    159,900.48x = 22,283,794,228.84
  5. Step 5: Solve for x
    x = 22,283,794,228.84/159,900.48
  6. Step 6: Final answer
    x = 139,360.40

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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.