Home / 107,287.64-148,054.11-59,539.76

Finding the Fourth Proportional to 107,287.64, 148,054.11 and 59,539.76

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Solution

The fourth proportional to 107,287.64, 148,054.11 and 59,539.76 is: 82,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,287.64 : 148,054.11 = 59,539.76 : x
  2. Step 2: Convert to fraction form
    107,287.64/148,054.11 = 59,539.76/x
  3. Step 3: Cross multiply
    107,287.64x = 148,054.11 × 59,539.76
  4. Step 4: Simplify right side
    107,287.64x = 8,815,105,436.14
  5. Step 5: Solve for x
    x = 8,815,105,436.14/107,287.64
  6. Step 6: Final answer
    x = 82,163.29

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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.