Home / 248,012.06-342,241.30-139,110.40

Finding the Fourth Proportional to 248,012.06, 342,241.30 and 139,110.40

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Solution

The fourth proportional to 248,012.06, 342,241.30 and 139,110.40 is: 191,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,012.06 : 342,241.30 = 139,110.40 : x
  2. Step 2: Convert to fraction form
    248,012.06/342,241.30 = 139,110.40/x
  3. Step 3: Cross multiply
    248,012.06x = 342,241.30 × 139,110.40
  4. Step 4: Simplify right side
    248,012.06x = 47,609,324,139.52
  5. Step 5: Solve for x
    x = 47,609,324,139.52/248,012.06
  6. Step 6: Final answer
    x = 191,963.75

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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.