Home / 162,321.42-223,999.22-90,702.02

Finding the Fourth Proportional to 162,321.42, 223,999.22 and 90,702.02

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Solution

The fourth proportional to 162,321.42, 223,999.22 and 90,702.02 is: 125,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,321.42 : 223,999.22 = 90,702.02 : x
  2. Step 2: Convert to fraction form
    162,321.42/223,999.22 = 90,702.02/x
  3. Step 3: Cross multiply
    162,321.42x = 223,999.22 × 90,702.02
  4. Step 4: Simplify right side
    162,321.42x = 20,317,181,732.42
  5. Step 5: Solve for x
    x = 20,317,181,732.42/162,321.42
  6. Step 6: Final answer
    x = 125,166.36

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1.5x scale

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.