Home / 115,220.58-159,003.45-64,232.70

Finding the Fourth Proportional to 115,220.58, 159,003.45 and 64,232.70

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Solution

The fourth proportional to 115,220.58, 159,003.45 and 64,232.70 is: 88,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,220.58 : 159,003.45 = 64,232.70 : x
  2. Step 2: Convert to fraction form
    115,220.58/159,003.45 = 64,232.70/x
  3. Step 3: Cross multiply
    115,220.58x = 159,003.45 × 64,232.70
  4. Step 4: Simplify right side
    115,220.58x = 10,213,220,902.82
  5. Step 5: Solve for x
    x = 10,213,220,902.82/115,220.58
  6. Step 6: Final answer
    x = 88,640.60

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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.