Home / 253,947.39-350,445.04-139,232.41

Finding the Fourth Proportional to 253,947.39, 350,445.04 and 139,232.41

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Solution

The fourth proportional to 253,947.39, 350,445.04 and 139,232.41 is: 192,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,947.39 : 350,445.04 = 139,232.41 : x
  2. Step 2: Convert to fraction form
    253,947.39/350,445.04 = 139,232.41/x
  3. Step 3: Cross multiply
    253,947.39x = 350,445.04 × 139,232.41
  4. Step 4: Simplify right side
    253,947.39x = 48,793,307,491.75
  5. Step 5: Solve for x
    x = 48,793,307,491.75/253,947.39
  6. Step 6: Final answer
    x = 192,139.43

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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.