Home / 252,895.68-349,003.12-139,725.76

Finding the Fourth Proportional to 252,895.68, 349,003.12 and 139,725.76

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Solution

The fourth proportional to 252,895.68, 349,003.12 and 139,725.76 is: 192,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,895.68 : 349,003.12 = 139,725.76 : x
  2. Step 2: Convert to fraction form
    252,895.68/349,003.12 = 139,725.76/x
  3. Step 3: Cross multiply
    252,895.68x = 349,003.12 × 139,725.76
  4. Step 4: Simplify right side
    252,895.68x = 48,764,726,184.37
  5. Step 5: Solve for x
    x = 48,764,726,184.37/252,895.68
  6. Step 6: Final answer
    x = 192,825.46

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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.