Home / 120,203.01-180,361.22-53,637.21

Finding the Fourth Proportional to 120,203.01, 180,361.22 and 53,637.21

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Solution

The fourth proportional to 120,203.01, 180,361.22 and 53,637.21 is: 80,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,203.01 : 180,361.22 = 53,637.21 : x
  2. Step 2: Convert to fraction form
    120,203.01/180,361.22 = 53,637.21/x
  3. Step 3: Cross multiply
    120,203.01x = 180,361.22 × 53,637.21
  4. Step 4: Simplify right side
    120,203.01x = 9,674,072,364.81
  5. Step 5: Solve for x
    x = 9,674,072,364.81/120,203.01
  6. Step 6: Final answer
    x = 80,481.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.