Home / 109,551.22-163,894.47-82,973.79

Finding the Fourth Proportional to 109,551.22, 163,894.47 and 82,973.79

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Solution

The fourth proportional to 109,551.22, 163,894.47 and 82,973.79 is: 124,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,551.22 : 163,894.47 = 82,973.79 : x
  2. Step 2: Convert to fraction form
    109,551.22/163,894.47 = 82,973.79/x
  3. Step 3: Cross multiply
    109,551.22x = 163,894.47 × 82,973.79
  4. Step 4: Simplify right side
    109,551.22x = 13,598,945,335.94
  5. Step 5: Solve for x
    x = 13,598,945,335.94/109,551.22
  6. Step 6: Final answer
    x = 124,133.22

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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.