Home / 152,579.88-228,717.72-72,477.36

Finding the Fourth Proportional to 152,579.88, 228,717.72 and 72,477.36

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Solution

The fourth proportional to 152,579.88, 228,717.72 and 72,477.36 is: 108,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,579.88 : 228,717.72 = 72,477.36 : x
  2. Step 2: Convert to fraction form
    152,579.88/228,717.72 = 72,477.36/x
  3. Step 3: Cross multiply
    152,579.88x = 228,717.72 × 72,477.36
  4. Step 4: Simplify right side
    152,579.88x = 16,576,856,530.82
  5. Step 5: Solve for x
    x = 16,576,856,530.82/152,579.88
  6. Step 6: Final answer
    x = 108,643.79

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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.