Home / 90,180.04-135,269.93-36,169.09

Finding the Fourth Proportional to 90,180.04, 135,269.93 and 36,169.09

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Solution

The fourth proportional to 90,180.04, 135,269.93 and 36,169.09 is: 54,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,180.04 : 135,269.93 = 36,169.09 : x
  2. Step 2: Convert to fraction form
    90,180.04/135,269.93 = 36,169.09/x
  3. Step 3: Cross multiply
    90,180.04x = 135,269.93 × 36,169.09
  4. Step 4: Simplify right side
    90,180.04x = 4,892,590,272.46
  5. Step 5: Solve for x
    x = 4,892,590,272.46/90,180.04
  6. Step 6: Final answer
    x = 54,253.58

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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.