Home / 115,221.58-159,004.83-64,233.70

Finding the Fourth Proportional to 115,221.58, 159,004.83 and 64,233.70

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Solution

The fourth proportional to 115,221.58, 159,004.83 and 64,233.70 is: 88,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,221.58 : 159,004.83 = 64,233.70 : x
  2. Step 2: Convert to fraction form
    115,221.58/159,004.83 = 64,233.70/x
  3. Step 3: Cross multiply
    115,221.58x = 159,004.83 × 64,233.70
  4. Step 4: Simplify right side
    115,221.58x = 10,213,468,548.77
  5. Step 5: Solve for x
    x = 10,213,468,548.77/115,221.58
  6. Step 6: Final answer
    x = 88,641.98

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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.