Home / 115,659.03-159,602.05-64,675.96

Finding the Fourth Proportional to 115,659.03, 159,602.05 and 64,675.96

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Solution

The fourth proportional to 115,659.03, 159,602.05 and 64,675.96 is: 89,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,659.03 : 159,602.05 = 64,675.96 : x
  2. Step 2: Convert to fraction form
    115,659.03/159,602.05 = 64,675.96/x
  3. Step 3: Cross multiply
    115,659.03x = 159,602.05 × 64,675.96
  4. Step 4: Simplify right side
    115,659.03x = 10,322,415,801.72
  5. Step 5: Solve for x
    x = 10,322,415,801.72/115,659.03
  6. Step 6: Final answer
    x = 89,248.68

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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.