Home / 212,605.40-293,396.25-117,111.87

Finding the Fourth Proportional to 212,605.40, 293,396.25 and 117,111.87

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Solution

The fourth proportional to 212,605.40, 293,396.25 and 117,111.87 is: 161,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,605.40 : 293,396.25 = 117,111.87 : x
  2. Step 2: Convert to fraction form
    212,605.40/293,396.25 = 117,111.87/x
  3. Step 3: Cross multiply
    212,605.40x = 293,396.25 × 117,111.87
  4. Step 4: Simplify right side
    212,605.40x = 34,360,183,488.49
  5. Step 5: Solve for x
    x = 34,360,183,488.49/212,605.40
  6. Step 6: Final answer
    x = 161,614.82

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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.