Home / 254,909.94-382,415.96-142,749.66

Finding the Fourth Proportional to 254,909.94, 382,415.96 and 142,749.66

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Solution

The fourth proportional to 254,909.94, 382,415.96 and 142,749.66 is: 214,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,909.94 : 382,415.96 = 142,749.66 : x
  2. Step 2: Convert to fraction form
    254,909.94/382,415.96 = 142,749.66/x
  3. Step 3: Cross multiply
    254,909.94x = 382,415.96 × 142,749.66
  4. Step 4: Simplify right side
    254,909.94x = 54,589,747,554.83
  5. Step 5: Solve for x
    x = 54,589,747,554.83/254,909.94
  6. Step 6: Final answer
    x = 214,153.08

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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.