Home / 170,002.40-254,485.20-99,672.80

Finding the Fourth Proportional to 170,002.40, 254,485.20 and 99,672.80

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Solution

The fourth proportional to 170,002.40, 254,485.20 and 99,672.80 is: 149,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,002.40 : 254,485.20 = 99,672.80 : x
  2. Step 2: Convert to fraction form
    170,002.40/254,485.20 = 99,672.80/x
  3. Step 3: Cross multiply
    170,002.40x = 254,485.20 × 99,672.80
  4. Step 4: Simplify right side
    170,002.40x = 25,365,252,442.56
  5. Step 5: Solve for x
    x = 25,365,252,442.56/170,002.40
  6. Step 6: Final answer
    x = 149,205.26

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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.