Home / 252,972.54-349,088.37-139,788

Finding the Fourth Proportional to 252,972.54, 349,088.37 and 139,788

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Solution

The fourth proportional to 252,972.54, 349,088.37 and 139,788 is: 192,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,972.54 : 349,088.37 = 139,788 : x
  2. Step 2: Convert to fraction form
    252,972.54/349,088.37 = 139,788/x
  3. Step 3: Cross multiply
    252,972.54x = 349,088.37 × 139,788
  4. Step 4: Simplify right side
    252,972.54x = 48,798,365,065.56
  5. Step 5: Solve for x
    x = 48,798,365,065.56/252,972.54
  6. Step 6: Final answer
    x = 192,899.85

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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.