Home / 212,862.53-293,756.47-117,375.38

Finding the Fourth Proportional to 212,862.53, 293,756.47 and 117,375.38

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Solution

The fourth proportional to 212,862.53, 293,756.47 and 117,375.38 is: 161,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,862.53 : 293,756.47 = 117,375.38 : x
  2. Step 2: Convert to fraction form
    212,862.53/293,756.47 = 117,375.38/x
  3. Step 3: Cross multiply
    212,862.53x = 293,756.47 × 117,375.38
  4. Step 4: Simplify right side
    212,862.53x = 34,479,777,293.31
  5. Step 5: Solve for x
    x = 34,479,777,293.31/212,862.53
  6. Step 6: Final answer
    x = 161,981.43

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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.