Home / 252,953.56-349,072.50-139,778.20

Finding the Fourth Proportional to 252,953.56, 349,072.50 and 139,778.20

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Solution

The fourth proportional to 252,953.56, 349,072.50 and 139,778.20 is: 192,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,953.56 : 349,072.50 = 139,778.20 : x
  2. Step 2: Convert to fraction form
    252,953.56/349,072.50 = 139,778.20/x
  3. Step 3: Cross multiply
    252,953.56x = 349,072.50 × 139,778.20
  4. Step 4: Simplify right side
    252,953.56x = 48,792,725,719.50
  5. Step 5: Solve for x
    x = 48,792,725,719.50/252,953.56
  6. Step 6: Final answer
    x = 192,892.03

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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.