Home / 90,003.96-134,929.38-54,968.22

Finding the Fourth Proportional to 90,003.96, 134,929.38 and 54,968.22

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Solution

The fourth proportional to 90,003.96, 134,929.38 and 54,968.22 is: 82,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,003.96 : 134,929.38 = 54,968.22 : x
  2. Step 2: Convert to fraction form
    90,003.96/134,929.38 = 54,968.22/x
  3. Step 3: Cross multiply
    90,003.96x = 134,929.38 × 54,968.22
  4. Step 4: Simplify right side
    90,003.96x = 7,416,827,844.30
  5. Step 5: Solve for x
    x = 7,416,827,844.30/90,003.96
  6. Step 6: Final answer
    x = 82,405.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.