Home / 120,199.04-180,243.84-50,036.48

Finding the Fourth Proportional to 120,199.04, 180,243.84 and 50,036.48

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Solution

The fourth proportional to 120,199.04, 180,243.84 and 50,036.48 is: 75,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,199.04 : 180,243.84 = 50,036.48 : x
  2. Step 2: Convert to fraction form
    120,199.04/180,243.84 = 50,036.48/x
  3. Step 3: Cross multiply
    120,199.04x = 180,243.84 × 50,036.48
  4. Step 4: Simplify right side
    120,199.04x = 9,018,767,295.28
  5. Step 5: Solve for x
    x = 9,018,767,295.28/120,199.04
  6. Step 6: Final answer
    x = 75,031.94

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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.