Home / 90,306.42-135,448.86-23,751.78

Finding the Fourth Proportional to 90,306.42, 135,448.86 and 23,751.78

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Solution

The fourth proportional to 90,306.42, 135,448.86 and 23,751.78 is: 35,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306.42 : 135,448.86 = 23,751.78 : x
  2. Step 2: Convert to fraction form
    90,306.42/135,448.86 = 23,751.78/x
  3. Step 3: Cross multiply
    90,306.42x = 135,448.86 × 23,751.78
  4. Step 4: Simplify right side
    90,306.42x = 3,217,151,523.97
  5. Step 5: Solve for x
    x = 3,217,151,523.97/90,306.42
  6. Step 6: Final answer
    x = 35,624.84

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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.