Home / 136,905.12-204,890.40-114,743.52

Finding the Fourth Proportional to 136,905.12, 204,890.40 and 114,743.52

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Solution

The fourth proportional to 136,905.12, 204,890.40 and 114,743.52 is: 171,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,905.12 : 204,890.40 = 114,743.52 : x
  2. Step 2: Convert to fraction form
    136,905.12/204,890.40 = 114,743.52/x
  3. Step 3: Cross multiply
    136,905.12x = 204,890.40 × 114,743.52
  4. Step 4: Simplify right side
    136,905.12x = 23,509,845,710.21
  5. Step 5: Solve for x
    x = 23,509,845,710.21/136,905.12
  6. Step 6: Final answer
    x = 171,723.64

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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.