Home / 169,968.90-254,953.35-143,396.85

Finding the Fourth Proportional to 169,968.90, 254,953.35 and 143,396.85

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Solution

The fourth proportional to 169,968.90, 254,953.35 and 143,396.85 is: 215,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968.90 : 254,953.35 = 143,396.85 : x
  2. Step 2: Convert to fraction form
    169,968.90/254,953.35 = 143,396.85/x
  3. Step 3: Cross multiply
    169,968.90x = 254,953.35 × 143,396.85
  4. Step 4: Simplify right side
    169,968.90x = 36,559,507,286.95
  5. Step 5: Solve for x
    x = 36,559,507,286.95/169,968.90
  6. Step 6: Final answer
    x = 215,095.28

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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.