Home / 235,742.30-325,331.43-145,150.54

Finding the Fourth Proportional to 235,742.30, 325,331.43 and 145,150.54

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Solution

The fourth proportional to 235,742.30, 325,331.43 and 145,150.54 is: 200,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,742.30 : 325,331.43 = 145,150.54 : x
  2. Step 2: Convert to fraction form
    235,742.30/325,331.43 = 145,150.54/x
  3. Step 3: Cross multiply
    235,742.30x = 325,331.43 × 145,150.54
  4. Step 4: Simplify right side
    235,742.30x = 47,222,032,743.47
  5. Step 5: Solve for x
    x = 47,222,032,743.47/235,742.30
  6. Step 6: Final answer
    x = 200,312.09

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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.