Home / 90,134.42-135,095.45-36,793.08

Finding the Fourth Proportional to 90,134.42, 135,095.45 and 36,793.08

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Solution

The fourth proportional to 90,134.42, 135,095.45 and 36,793.08 is: 55,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,134.42 : 135,095.45 = 36,793.08 : x
  2. Step 2: Convert to fraction form
    90,134.42/135,095.45 = 36,793.08/x
  3. Step 3: Cross multiply
    90,134.42x = 135,095.45 × 36,793.08
  4. Step 4: Simplify right side
    90,134.42x = 4,970,577,515.52
  5. Step 5: Solve for x
    x = 4,970,577,515.52/90,134.42
  6. Step 6: Final answer
    x = 55,146.28

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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.