Home / 136,390.85-204,618.47-42,896.60

Finding the Fourth Proportional to 136,390.85, 204,618.47 and 42,896.60

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Solution

The fourth proportional to 136,390.85, 204,618.47 and 42,896.60 is: 64,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,390.85 : 204,618.47 = 42,896.60 : x
  2. Step 2: Convert to fraction form
    136,390.85/204,618.47 = 42,896.60/x
  3. Step 3: Cross multiply
    136,390.85x = 204,618.47 × 42,896.60
  4. Step 4: Simplify right side
    136,390.85x = 8,777,435,422.63
  5. Step 5: Solve for x
    x = 8,777,435,422.63/136,390.85
  6. Step 6: Final answer
    x = 64,355.02

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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.