Home / 162,203.24-223,814.94-90,579.80

Finding the Fourth Proportional to 162,203.24, 223,814.94 and 90,579.80

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Solution

The fourth proportional to 162,203.24, 223,814.94 and 90,579.80 is: 124,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,203.24 : 223,814.94 = 90,579.80 : x
  2. Step 2: Convert to fraction form
    162,203.24/223,814.94 = 90,579.80/x
  3. Step 3: Cross multiply
    162,203.24x = 223,814.94 × 90,579.80
  4. Step 4: Simplify right side
    162,203.24x = 20,273,112,502.21
  5. Step 5: Solve for x
    x = 20,273,112,502.21/162,203.24
  6. Step 6: Final answer
    x = 124,985.87

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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.