Home / 115,184.45-158,967.40-64,201.84

Finding the Fourth Proportional to 115,184.45, 158,967.40 and 64,201.84

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Solution

The fourth proportional to 115,184.45, 158,967.40 and 64,201.84 is: 88,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.45 : 158,967.40 = 64,201.84 : x
  2. Step 2: Convert to fraction form
    115,184.45/158,967.40 = 64,201.84/x
  3. Step 3: Cross multiply
    115,184.45x = 158,967.40 × 64,201.84
  4. Step 4: Simplify right side
    115,184.45x = 10,205,999,580.02
  5. Step 5: Solve for x
    x = 10,205,999,580.02/115,184.45
  6. Step 6: Final answer
    x = 88,605.71

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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.