Home / 212,399.22-293,104.80-116,903.87

Finding the Fourth Proportional to 212,399.22, 293,104.80 and 116,903.87

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Solution

The fourth proportional to 212,399.22, 293,104.80 and 116,903.87 is: 161,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,399.22 : 293,104.80 = 116,903.87 : x
  2. Step 2: Convert to fraction form
    212,399.22/293,104.80 = 116,903.87/x
  3. Step 3: Cross multiply
    212,399.22x = 293,104.80 × 116,903.87
  4. Step 4: Simplify right side
    212,399.22x = 34,265,083,970.05
  5. Step 5: Solve for x
    x = 34,265,083,970.05/212,399.22
  6. Step 6: Final answer
    x = 161,323.96

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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.