Home / 134,801.60-202,202.40-92,811.20

Finding the Fourth Proportional to 134,801.60, 202,202.40 and 92,811.20

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Solution

The fourth proportional to 134,801.60, 202,202.40 and 92,811.20 is: 139,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,801.60 : 202,202.40 = 92,811.20 : x
  2. Step 2: Convert to fraction form
    134,801.60/202,202.40 = 92,811.20/x
  3. Step 3: Cross multiply
    134,801.60x = 202,202.40 × 92,811.20
  4. Step 4: Simplify right side
    134,801.60x = 18,766,647,386.88
  5. Step 5: Solve for x
    x = 18,766,647,386.88/134,801.60
  6. Step 6: Final answer
    x = 139,216.80

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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.