Home / 90,445.14-135,665.60-23,889.92

Finding the Fourth Proportional to 90,445.14, 135,665.60 and 23,889.92

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Solution

The fourth proportional to 90,445.14, 135,665.60 and 23,889.92 is: 35,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,445.14 : 135,665.60 = 23,889.92 : x
  2. Step 2: Convert to fraction form
    90,445.14/135,665.60 = 23,889.92/x
  3. Step 3: Cross multiply
    90,445.14x = 135,665.60 × 23,889.92
  4. Step 4: Simplify right side
    90,445.14x = 3,241,039,532.97
  5. Step 5: Solve for x
    x = 3,241,039,532.97/90,445.14
  6. Step 6: Final answer
    x = 35,834.31

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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.