Home / 255,361.21-352,395.16-140,637.67

Finding the Fourth Proportional to 255,361.21, 352,395.16 and 140,637.67

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Solution

The fourth proportional to 255,361.21, 352,395.16 and 140,637.67 is: 194,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,361.21 : 352,395.16 = 140,637.67 : x
  2. Step 2: Convert to fraction form
    255,361.21/352,395.16 = 140,637.67/x
  3. Step 3: Cross multiply
    255,361.21x = 352,395.16 × 140,637.67
  4. Step 4: Simplify right side
    255,361.21x = 49,560,032,989.10
  5. Step 5: Solve for x
    x = 49,560,032,989.10/255,361.21
  6. Step 6: Final answer
    x = 194,078.16

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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.