Home / 212,635.98-293,438.34-117,142.38

Finding the Fourth Proportional to 212,635.98, 293,438.34 and 117,142.38

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Solution

The fourth proportional to 212,635.98, 293,438.34 and 117,142.38 is: 161,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,635.98 : 293,438.34 = 117,142.38 : x
  2. Step 2: Convert to fraction form
    212,635.98/293,438.34 = 117,142.38/x
  3. Step 3: Cross multiply
    212,635.98x = 293,438.34 × 117,142.38
  4. Step 4: Simplify right side
    212,635.98x = 34,374,065,530.85
  5. Step 5: Solve for x
    x = 34,374,065,530.85/212,635.98
  6. Step 6: Final answer
    x = 161,656.86

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1.5x scale

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.