Home / 253,556.25-349,906.35-138,832.81

Finding the Fourth Proportional to 253,556.25, 349,906.35 and 138,832.81

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Solution

The fourth proportional to 253,556.25, 349,906.35 and 138,832.81 is: 191,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,556.25 : 349,906.35 = 138,832.81 : x
  2. Step 2: Convert to fraction form
    253,556.25/349,906.35 = 138,832.81/x
  3. Step 3: Cross multiply
    253,556.25x = 349,906.35 × 138,832.81
  4. Step 4: Simplify right side
    253,556.25x = 48,578,482,640.49
  5. Step 5: Solve for x
    x = 48,578,482,640.49/253,556.25
  6. Step 6: Final answer
    x = 191,588.58

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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.