Home / 109,717.48-164,477.67-39,580.39

Finding the Fourth Proportional to 109,717.48, 164,477.67 and 39,580.39

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Solution

The fourth proportional to 109,717.48, 164,477.67 and 39,580.39 is: 59,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,717.48 : 164,477.67 = 39,580.39 : x
  2. Step 2: Convert to fraction form
    109,717.48/164,477.67 = 39,580.39/x
  3. Step 3: Cross multiply
    109,717.48x = 164,477.67 × 39,580.39
  4. Step 4: Simplify right side
    109,717.48x = 6,510,090,324.89
  5. Step 5: Solve for x
    x = 6,510,090,324.89/109,717.48
  6. Step 6: Final answer
    x = 59,335.03

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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.