Home / 145,138.83-217,735.78-50,365.18

Finding the Fourth Proportional to 145,138.83, 217,735.78 and 50,365.18

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Solution

The fourth proportional to 145,138.83, 217,735.78 and 50,365.18 is: 75,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,138.83 : 217,735.78 = 50,365.18 : x
  2. Step 2: Convert to fraction form
    145,138.83/217,735.78 = 50,365.18/x
  3. Step 3: Cross multiply
    145,138.83x = 217,735.78 × 50,365.18
  4. Step 4: Simplify right side
    145,138.83x = 10,966,301,752.14
  5. Step 5: Solve for x
    x = 10,966,301,752.14/145,138.83
  6. Step 6: Final answer
    x = 75,557.33

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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.