Home / 109,477.31-164,143.06-39,347.51

Finding the Fourth Proportional to 109,477.31, 164,143.06 and 39,347.51

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Solution

The fourth proportional to 109,477.31, 164,143.06 and 39,347.51 is: 58,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,477.31 : 164,143.06 = 39,347.51 : x
  2. Step 2: Convert to fraction form
    109,477.31/164,143.06 = 39,347.51/x
  3. Step 3: Cross multiply
    109,477.31x = 164,143.06 × 39,347.51
  4. Step 4: Simplify right side
    109,477.31x = 6,458,619,775.70
  5. Step 5: Solve for x
    x = 6,458,619,775.70/109,477.31
  6. Step 6: Final answer
    x = 58,995.06

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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.