Home / 169,972.40-254,958.60-143,400.35

Finding the Fourth Proportional to 169,972.40, 254,958.60 and 143,400.35

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Solution

The fourth proportional to 169,972.40, 254,958.60 and 143,400.35 is: 215,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972.40 : 254,958.60 = 143,400.35 : x
  2. Step 2: Convert to fraction form
    169,972.40/254,958.60 = 143,400.35/x
  3. Step 3: Cross multiply
    169,972.40x = 254,958.60 × 143,400.35
  4. Step 4: Simplify right side
    169,972.40x = 36,561,152,475.51
  5. Step 5: Solve for x
    x = 36,561,152,475.51/169,972.40
  6. Step 6: Final answer
    x = 215,100.53

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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.