Home / 115,237.25-159,027.41-64,938.05

Finding the Fourth Proportional to 115,237.25, 159,027.41 and 64,938.05

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Solution

The fourth proportional to 115,237.25, 159,027.41 and 64,938.05 is: 89,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,237.25 : 159,027.41 = 64,938.05 : x
  2. Step 2: Convert to fraction form
    115,237.25/159,027.41 = 64,938.05/x
  3. Step 3: Cross multiply
    115,237.25x = 159,027.41 × 64,938.05
  4. Step 4: Simplify right side
    115,237.25x = 10,326,929,901.95
  5. Step 5: Solve for x
    x = 10,326,929,901.95/115,237.25
  6. Step 6: Final answer
    x = 89,614.51

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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.