Home / 162,205.24-223,817.70-90,581.80

Finding the Fourth Proportional to 162,205.24, 223,817.70 and 90,581.80

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Solution

The fourth proportional to 162,205.24, 223,817.70 and 90,581.80 is: 124,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,205.24 : 223,817.70 = 90,581.80 : x
  2. Step 2: Convert to fraction form
    162,205.24/223,817.70 = 90,581.80/x
  3. Step 3: Cross multiply
    162,205.24x = 223,817.70 × 90,581.80
  4. Step 4: Simplify right side
    162,205.24x = 20,273,810,137.86
  5. Step 5: Solve for x
    x = 20,273,810,137.86/162,205.24
  6. Step 6: Final answer
    x = 124,988.63

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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.