Home / 148,847.60-205,405.80-88,418.36

Finding the Fourth Proportional to 148,847.60, 205,405.80 and 88,418.36

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Solution

The fourth proportional to 148,847.60, 205,405.80 and 88,418.36 is: 122,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,847.60 : 205,405.80 = 88,418.36 : x
  2. Step 2: Convert to fraction form
    148,847.60/205,405.80 = 88,418.36/x
  3. Step 3: Cross multiply
    148,847.60x = 205,405.80 × 88,418.36
  4. Step 4: Simplify right side
    148,847.60x = 18,161,643,970.49
  5. Step 5: Solve for x
    x = 18,161,643,970.49/148,847.60
  6. Step 6: Final answer
    x = 122,015.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.