Home / 252,039.42-347,814.21-138,862.17

Finding the Fourth Proportional to 252,039.42, 347,814.21 and 138,862.17

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Solution

The fourth proportional to 252,039.42, 347,814.21 and 138,862.17 is: 191,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,039.42 : 347,814.21 = 138,862.17 : x
  2. Step 2: Convert to fraction form
    252,039.42/347,814.21 = 138,862.17/x
  3. Step 3: Cross multiply
    252,039.42x = 347,814.21 × 138,862.17
  4. Step 4: Simplify right side
    252,039.42x = 48,298,235,957.44
  5. Step 5: Solve for x
    x = 48,298,235,957.44/252,039.42
  6. Step 6: Final answer
    x = 191,629.69

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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.