Home / 134,330.20-201,641.10-104,878.60

Finding the Fourth Proportional to 134,330.20, 201,641.10 and 104,878.60

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Solution

The fourth proportional to 134,330.20, 201,641.10 and 104,878.60 is: 157,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,330.20 : 201,641.10 = 104,878.60 : x
  2. Step 2: Convert to fraction form
    134,330.20/201,641.10 = 104,878.60/x
  3. Step 3: Cross multiply
    134,330.20x = 201,641.10 × 104,878.60
  4. Step 4: Simplify right side
    134,330.20x = 21,147,836,270.46
  5. Step 5: Solve for x
    x = 21,147,836,270.46/134,330.20
  6. Step 6: Final answer
    x = 157,431.73

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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.