Home / 272,749.04-409,185.54-83,226.36

Finding the Fourth Proportional to 272,749.04, 409,185.54 and 83,226.36

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Solution

The fourth proportional to 272,749.04, 409,185.54 and 83,226.36 is: 124,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,749.04 : 409,185.54 = 83,226.36 : x
  2. Step 2: Convert to fraction form
    272,749.04/409,185.54 = 83,226.36/x
  3. Step 3: Cross multiply
    272,749.04x = 409,185.54 × 83,226.36
  4. Step 4: Simplify right side
    272,749.04x = 34,055,023,058.83
  5. Step 5: Solve for x
    x = 34,055,023,058.83/272,749.04
  6. Step 6: Final answer
    x = 124,858.45

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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.