Home / 215,694.72-323,588.16-75,457.92

Finding the Fourth Proportional to 215,694.72, 323,588.16 and 75,457.92

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Solution

The fourth proportional to 215,694.72, 323,588.16 and 75,457.92 is: 113,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,694.72 : 323,588.16 = 75,457.92 : x
  2. Step 2: Convert to fraction form
    215,694.72/323,588.16 = 75,457.92/x
  3. Step 3: Cross multiply
    215,694.72x = 323,588.16 × 75,457.92
  4. Step 4: Simplify right side
    215,694.72x = 24,417,289,490.23
  5. Step 5: Solve for x
    x = 24,417,289,490.23/215,694.72
  6. Step 6: Final answer
    x = 113,203.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.