Home / 134,246.40-201,398.40-40,761.60

Finding the Fourth Proportional to 134,246.40, 201,398.40 and 40,761.60

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Solution

The fourth proportional to 134,246.40, 201,398.40 and 40,761.60 is: 61,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,246.40 : 201,398.40 = 40,761.60 : x
  2. Step 2: Convert to fraction form
    134,246.40/201,398.40 = 40,761.60/x
  3. Step 3: Cross multiply
    134,246.40x = 201,398.40 × 40,761.60
  4. Step 4: Simplify right side
    134,246.40x = 8,209,321,021.44
  5. Step 5: Solve for x
    x = 8,209,321,021.44/134,246.40
  6. Step 6: Final answer
    x = 61,151.14

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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.