Home / 272,943.89-409,415.84-106,615.25

Finding the Fourth Proportional to 272,943.89, 409,415.84 and 106,615.25

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Solution

The fourth proportional to 272,943.89, 409,415.84 and 106,615.25 is: 159,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,943.89 : 409,415.84 = 106,615.25 : x
  2. Step 2: Convert to fraction form
    272,943.89/409,415.84 = 106,615.25/x
  3. Step 3: Cross multiply
    272,943.89x = 409,415.84 × 106,615.25
  4. Step 4: Simplify right side
    272,943.89x = 43,649,971,602.48
  5. Step 5: Solve for x
    x = 43,649,971,602.48/272,943.89
  6. Step 6: Final answer
    x = 159,922.88

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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.