Home / 115,441.90-159,308.26-64,455.41

Finding the Fourth Proportional to 115,441.90, 159,308.26 and 64,455.41

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Solution

The fourth proportional to 115,441.90, 159,308.26 and 64,455.41 is: 88,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,441.90 : 159,308.26 = 64,455.41 : x
  2. Step 2: Convert to fraction form
    115,441.90/159,308.26 = 64,455.41/x
  3. Step 3: Cross multiply
    115,441.90x = 159,308.26 × 64,455.41
  4. Step 4: Simplify right side
    115,441.90x = 10,268,279,214.69
  5. Step 5: Solve for x
    x = 10,268,279,214.69/115,441.90
  6. Step 6: Final answer
    x = 88,947.59

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1.5x scale

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.