Home / 120,401.40-180,537.30-50,201.40

Finding the Fourth Proportional to 120,401.40, 180,537.30 and 50,201.40

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Solution

The fourth proportional to 120,401.40, 180,537.30 and 50,201.40 is: 75,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,401.40 : 180,537.30 = 50,201.40 : x
  2. Step 2: Convert to fraction form
    120,401.40/180,537.30 = 50,201.40/x
  3. Step 3: Cross multiply
    120,401.40x = 180,537.30 × 50,201.40
  4. Step 4: Simplify right side
    120,401.40x = 9,063,225,212.22
  5. Step 5: Solve for x
    x = 9,063,225,212.22/120,401.40
  6. Step 6: Final answer
    x = 75,275.08

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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.