Home / 136,915.12-204,905.40-114,753.52

Finding the Fourth Proportional to 136,915.12, 204,905.40 and 114,753.52

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Solution

The fourth proportional to 136,915.12, 204,905.40 and 114,753.52 is: 171,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,915.12 : 204,905.40 = 114,753.52 : x
  2. Step 2: Convert to fraction form
    136,915.12/204,905.40 = 114,753.52/x
  3. Step 3: Cross multiply
    136,915.12x = 204,905.40 × 114,753.52
  4. Step 4: Simplify right side
    136,915.12x = 23,513,615,917.01
  5. Step 5: Solve for x
    x = 23,513,615,917.01/136,915.12
  6. Step 6: Final answer
    x = 171,738.64

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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.