Home / 117,325.09-161,848.97-74,231.91

Finding the Fourth Proportional to 117,325.09, 161,848.97 and 74,231.91

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Solution

The fourth proportional to 117,325.09, 161,848.97 and 74,231.91 is: 102,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325.09 : 161,848.97 = 74,231.91 : x
  2. Step 2: Convert to fraction form
    117,325.09/161,848.97 = 74,231.91/x
  3. Step 3: Cross multiply
    117,325.09x = 161,848.97 × 74,231.91
  4. Step 4: Simplify right side
    117,325.09x = 12,014,358,081.84
  5. Step 5: Solve for x
    x = 12,014,358,081.84/117,325.09
  6. Step 6: Final answer
    x = 102,402.29

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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.