Home / 121,448.20-182,075.10-51,269.80

Finding the Fourth Proportional to 121,448.20, 182,075.10 and 51,269.80

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Solution

The fourth proportional to 121,448.20, 182,075.10 and 51,269.80 is: 76,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,448.20 : 182,075.10 = 51,269.80 : x
  2. Step 2: Convert to fraction form
    121,448.20/182,075.10 = 51,269.80/x
  3. Step 3: Cross multiply
    121,448.20x = 182,075.10 × 51,269.80
  4. Step 4: Simplify right side
    121,448.20x = 9,334,953,961.98
  5. Step 5: Solve for x
    x = 9,334,953,961.98/121,448.20
  6. Step 6: Final answer
    x = 76,863.67

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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.