Home / 110,905.58-153,076.96-92,972.18

Finding the Fourth Proportional to 110,905.58, 153,076.96 and 92,972.18

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Solution

The fourth proportional to 110,905.58, 153,076.96 and 92,972.18 is: 128,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,905.58 : 153,076.96 = 92,972.18 : x
  2. Step 2: Convert to fraction form
    110,905.58/153,076.96 = 92,972.18/x
  3. Step 3: Cross multiply
    110,905.58x = 153,076.96 × 92,972.18
  4. Step 4: Simplify right side
    110,905.58x = 14,231,898,678.97
  5. Step 5: Solve for x
    x = 14,231,898,678.97/110,905.58
  6. Step 6: Final answer
    x = 128,324.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.