Home / 119,331.71-164,636.78-73,993.37

Finding the Fourth Proportional to 119,331.71, 164,636.78 and 73,993.37

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Solution

The fourth proportional to 119,331.71, 164,636.78 and 73,993.37 is: 102,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,331.71 : 164,636.78 = 73,993.37 : x
  2. Step 2: Convert to fraction form
    119,331.71/164,636.78 = 73,993.37/x
  3. Step 3: Cross multiply
    119,331.71x = 164,636.78 × 73,993.37
  4. Step 4: Simplify right side
    119,331.71x = 12,182,030,178.15
  5. Step 5: Solve for x
    x = 12,182,030,178.15/119,331.71
  6. Step 6: Final answer
    x = 102,085.44

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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.