Home / 253,085.41-349,240.30-139,899.25

Finding the Fourth Proportional to 253,085.41, 349,240.30 and 139,899.25

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Solution

The fourth proportional to 253,085.41, 349,240.30 and 139,899.25 is: 193,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,085.41 : 349,240.30 = 139,899.25 : x
  2. Step 2: Convert to fraction form
    253,085.41/349,240.30 = 139,899.25/x
  3. Step 3: Cross multiply
    253,085.41x = 349,240.30 × 139,899.25
  4. Step 4: Simplify right side
    253,085.41x = 48,858,456,039.78
  5. Step 5: Solve for x
    x = 48,858,456,039.78/253,085.41
  6. Step 6: Final answer
    x = 193,051.26

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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.