Home / 136,232.64-204,348.78-42,745.68

Finding the Fourth Proportional to 136,232.64, 204,348.78 and 42,745.68

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Solution

The fourth proportional to 136,232.64, 204,348.78 and 42,745.68 is: 64,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,232.64 : 204,348.78 = 42,745.68 : x
  2. Step 2: Convert to fraction form
    136,232.64/204,348.78 = 42,745.68/x
  3. Step 3: Cross multiply
    136,232.64x = 204,348.78 × 42,745.68
  4. Step 4: Simplify right side
    136,232.64x = 8,735,027,558.27
  5. Step 5: Solve for x
    x = 8,735,027,558.27/136,232.64
  6. Step 6: Final answer
    x = 64,118.46

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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.