Home / 212,774.26-318,946.08-137,941.94

Finding the Fourth Proportional to 212,774.26, 318,946.08 and 137,941.94

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Solution

The fourth proportional to 212,774.26, 318,946.08 and 137,941.94 is: 206,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,774.26 : 318,946.08 = 137,941.94 : x
  2. Step 2: Convert to fraction form
    212,774.26/318,946.08 = 137,941.94/x
  3. Step 3: Cross multiply
    212,774.26x = 318,946.08 × 137,941.94
  4. Step 4: Simplify right side
    212,774.26x = 43,996,041,030.60
  5. Step 5: Solve for x
    x = 43,996,041,030.60/212,774.26
  6. Step 6: Final answer
    x = 206,773.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.