Home / 107,240.96-147,971.21-64,799.60

Finding the Fourth Proportional to 107,240.96, 147,971.21 and 64,799.60

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Solution

The fourth proportional to 107,240.96, 147,971.21 and 64,799.60 is: 89,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,240.96 : 147,971.21 = 64,799.60 : x
  2. Step 2: Convert to fraction form
    107,240.96/147,971.21 = 64,799.60/x
  3. Step 3: Cross multiply
    107,240.96x = 147,971.21 × 64,799.60
  4. Step 4: Simplify right side
    107,240.96x = 9,588,474,155.66
  5. Step 5: Solve for x
    x = 9,588,474,155.66/107,240.96
  6. Step 6: Final answer
    x = 89,410.56

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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.