Home / 252,068.38-347,855.43-138,891.22

Finding the Fourth Proportional to 252,068.38, 347,855.43 and 138,891.22

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Solution

The fourth proportional to 252,068.38, 347,855.43 and 138,891.22 is: 191,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,068.38 : 347,855.43 = 138,891.22 : x
  2. Step 2: Convert to fraction form
    252,068.38/347,855.43 = 138,891.22/x
  3. Step 3: Cross multiply
    252,068.38x = 347,855.43 × 138,891.22
  4. Step 4: Simplify right side
    252,068.38x = 48,314,065,056.32
  5. Step 5: Solve for x
    x = 48,314,065,056.32/252,068.38
  6. Step 6: Final answer
    x = 191,670.47

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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.