Home / 90,636.20-135,954.35-34,463.34

Finding the Fourth Proportional to 90,636.20, 135,954.35 and 34,463.34

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Solution

The fourth proportional to 90,636.20, 135,954.35 and 34,463.34 is: 51,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,636.20 : 135,954.35 = 34,463.34 : x
  2. Step 2: Convert to fraction form
    90,636.20/135,954.35 = 34,463.34/x
  3. Step 3: Cross multiply
    90,636.20x = 135,954.35 × 34,463.34
  4. Step 4: Simplify right side
    90,636.20x = 4,685,441,074.69
  5. Step 5: Solve for x
    x = 4,685,441,074.69/90,636.20
  6. Step 6: Final answer
    x = 51,695.03

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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.