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Finding the Fourth Proportional to 110,558.49, 152,551.56 and 65,233.05

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Solution

The fourth proportional to 110,558.49, 152,551.56 and 65,233.05 is: 90,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,558.49 : 152,551.56 = 65,233.05 : x
  2. Step 2: Convert to fraction form
    110,558.49/152,551.56 = 65,233.05/x
  3. Step 3: Cross multiply
    110,558.49x = 152,551.56 × 65,233.05
  4. Step 4: Simplify right side
    110,558.49x = 9,951,403,541.06
  5. Step 5: Solve for x
    x = 9,951,403,541.06/110,558.49
  6. Step 6: Final answer
    x = 90,010.31

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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.