Home / 120,212.72-180,335.48-50,075.63

Finding the Fourth Proportional to 120,212.72, 180,335.48 and 50,075.63

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Solution

The fourth proportional to 120,212.72, 180,335.48 and 50,075.63 is: 75,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,212.72 : 180,335.48 = 50,075.63 : x
  2. Step 2: Convert to fraction form
    120,212.72/180,335.48 = 50,075.63/x
  3. Step 3: Cross multiply
    120,212.72x = 180,335.48 × 50,075.63
  4. Step 4: Simplify right side
    120,212.72x = 9,030,411,620.30
  5. Step 5: Solve for x
    x = 9,030,411,620.30/120,212.72
  6. Step 6: Final answer
    x = 75,120.27

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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.