Home / 115,285.28-159,093.36-64,298.08

Finding the Fourth Proportional to 115,285.28, 159,093.36 and 64,298.08

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Solution

The fourth proportional to 115,285.28, 159,093.36 and 64,298.08 is: 88,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,285.28 : 159,093.36 = 64,298.08 : x
  2. Step 2: Convert to fraction form
    115,285.28/159,093.36 = 64,298.08/x
  3. Step 3: Cross multiply
    115,285.28x = 159,093.36 × 64,298.08
  4. Step 4: Simplify right side
    115,285.28x = 10,229,397,588.75
  5. Step 5: Solve for x
    x = 10,229,397,588.75/115,285.28
  6. Step 6: Final answer
    x = 88,731.17

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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.