Home / 117,164.10-161,686.62-63,449.19

Finding the Fourth Proportional to 117,164.10, 161,686.62 and 63,449.19

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Solution

The fourth proportional to 117,164.10, 161,686.62 and 63,449.19 is: 87,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,164.10 : 161,686.62 = 63,449.19 : x
  2. Step 2: Convert to fraction form
    117,164.10/161,686.62 = 63,449.19/x
  3. Step 3: Cross multiply
    117,164.10x = 161,686.62 × 63,449.19
  4. Step 4: Simplify right side
    117,164.10x = 10,258,885,072.84
  5. Step 5: Solve for x
    x = 10,258,885,072.84/117,164.10
  6. Step 6: Final answer
    x = 87,559.97

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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.