Home / 120,450.21-180,675.43-36,210.34

Finding the Fourth Proportional to 120,450.21, 180,675.43 and 36,210.34

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Solution

The fourth proportional to 120,450.21, 180,675.43 and 36,210.34 is: 54,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,450.21 : 180,675.43 = 36,210.34 : x
  2. Step 2: Convert to fraction form
    120,450.21/180,675.43 = 36,210.34/x
  3. Step 3: Cross multiply
    120,450.21x = 180,675.43 × 36,210.34
  4. Step 4: Simplify right side
    120,450.21x = 6,542,318,885.26
  5. Step 5: Solve for x
    x = 6,542,318,885.26/120,450.21
  6. Step 6: Final answer
    x = 54,315.55

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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.