Home / 222,356.04-306,851.45-120,381.53

Finding the Fourth Proportional to 222,356.04, 306,851.45 and 120,381.53

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Solution

The fourth proportional to 222,356.04, 306,851.45 and 120,381.53 is: 166,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,356.04 : 306,851.45 = 120,381.53 : x
  2. Step 2: Convert to fraction form
    222,356.04/306,851.45 = 120,381.53/x
  3. Step 3: Cross multiply
    222,356.04x = 306,851.45 × 120,381.53
  4. Step 4: Simplify right side
    222,356.04x = 36,939,247,033.72
  5. Step 5: Solve for x
    x = 36,939,247,033.72/222,356.04
  6. Step 6: Final answer
    x = 166,126.57

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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.