Home / 133,023.68-183,423.12-108,749.60

Finding the Fourth Proportional to 133,023.68, 183,423.12 and 108,749.60

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Solution

The fourth proportional to 133,023.68, 183,423.12 and 108,749.60 is: 149,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.68 : 183,423.12 = 108,749.60 : x
  2. Step 2: Convert to fraction form
    133,023.68/183,423.12 = 108,749.60/x
  3. Step 3: Cross multiply
    133,023.68x = 183,423.12 × 108,749.60
  4. Step 4: Simplify right side
    133,023.68x = 19,947,190,930.75
  5. Step 5: Solve for x
    x = 19,947,190,930.75/133,023.68
  6. Step 6: Final answer
    x = 149,952.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.