Home / 90,287.40-135,452.70-37,667.64

Finding the Fourth Proportional to 90,287.40, 135,452.70 and 37,667.64

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Solution

The fourth proportional to 90,287.40, 135,452.70 and 37,667.64 is: 56,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287.40 : 135,452.70 = 37,667.64 : x
  2. Step 2: Convert to fraction form
    90,287.40/135,452.70 = 37,667.64/x
  3. Step 3: Cross multiply
    90,287.40x = 135,452.70 × 37,667.64
  4. Step 4: Simplify right side
    90,287.40x = 5,102,183,540.63
  5. Step 5: Solve for x
    x = 5,102,183,540.63/90,287.40
  6. Step 6: Final answer
    x = 56,510.47

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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.