Home / 90,181.44-124,470-52,460.64

Finding the Fourth Proportional to 90,181.44, 124,470 and 52,460.64

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Solution

The fourth proportional to 90,181.44, 124,470 and 52,460.64 is: 72,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,181.44 : 124,470 = 52,460.64 : x
  2. Step 2: Convert to fraction form
    90,181.44/124,470 = 52,460.64/x
  3. Step 3: Cross multiply
    90,181.44x = 124,470 × 52,460.64
  4. Step 4: Simplify right side
    90,181.44x = 6,529,775,860.80
  5. Step 5: Solve for x
    x = 6,529,775,860.80/90,181.44
  6. Step 6: Final answer
    x = 72,407.09

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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.