Home / 162,006.26-223,579.38-90,387.81

Finding the Fourth Proportional to 162,006.26, 223,579.38 and 90,387.81

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Solution

The fourth proportional to 162,006.26, 223,579.38 and 90,387.81 is: 124,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,006.26 : 223,579.38 = 90,387.81 : x
  2. Step 2: Convert to fraction form
    162,006.26/223,579.38 = 90,387.81/x
  3. Step 3: Cross multiply
    162,006.26x = 223,579.38 × 90,387.81
  4. Step 4: Simplify right side
    162,006.26x = 20,208,850,519.36
  5. Step 5: Solve for x
    x = 20,208,850,519.36/162,006.26
  6. Step 6: Final answer
    x = 124,741.17

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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.