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Finding the Fourth Proportional to 90,396.58, 135,595.66 and 23,846.16

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Solution

The fourth proportional to 90,396.58, 135,595.66 and 23,846.16 is: 35,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,396.58 : 135,595.66 = 23,846.16 : x
  2. Step 2: Convert to fraction form
    90,396.58/135,595.66 = 23,846.16/x
  3. Step 3: Cross multiply
    90,396.58x = 135,595.66 × 23,846.16
  4. Step 4: Simplify right side
    90,396.58x = 3,233,435,803.67
  5. Step 5: Solve for x
    x = 3,233,435,803.67/90,396.58
  6. Step 6: Final answer
    x = 35,769.45

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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.