Home / 252,949.60-349,038.48-139,772.80

Finding the Fourth Proportional to 252,949.60, 349,038.48 and 139,772.80

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Solution

The fourth proportional to 252,949.60, 349,038.48 and 139,772.80 is: 192,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,949.60 : 349,038.48 = 139,772.80 : x
  2. Step 2: Convert to fraction form
    252,949.60/349,038.48 = 139,772.80/x
  3. Step 3: Cross multiply
    252,949.60x = 349,038.48 × 139,772.80
  4. Step 4: Simplify right side
    252,949.60x = 48,786,085,657.34
  5. Step 5: Solve for x
    x = 48,786,085,657.34/252,949.60
  6. Step 6: Final answer
    x = 192,868.80

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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.