Home / 212,386.25-293,090.81-116,890.90

Finding the Fourth Proportional to 212,386.25, 293,090.81 and 116,890.90

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Solution

The fourth proportional to 212,386.25, 293,090.81 and 116,890.90 is: 161,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,386.25 : 293,090.81 = 116,890.90 : x
  2. Step 2: Convert to fraction form
    212,386.25/293,090.81 = 116,890.90/x
  3. Step 3: Cross multiply
    212,386.25x = 293,090.81 × 116,890.90
  4. Step 4: Simplify right side
    212,386.25x = 34,259,647,245.45
  5. Step 5: Solve for x
    x = 34,259,647,245.45/212,386.25
  6. Step 6: Final answer
    x = 161,308.21

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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.