Home / 121,412.78-182,075.43-51,297.56

Finding the Fourth Proportional to 121,412.78, 182,075.43 and 51,297.56

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Solution

The fourth proportional to 121,412.78, 182,075.43 and 51,297.56 is: 76,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,412.78 : 182,075.43 = 51,297.56 : x
  2. Step 2: Convert to fraction form
    121,412.78/182,075.43 = 51,297.56/x
  3. Step 3: Cross multiply
    121,412.78x = 182,075.43 × 51,297.56
  4. Step 4: Simplify right side
    121,412.78x = 9,340,025,294.95
  5. Step 5: Solve for x
    x = 9,340,025,294.95/121,412.78
  6. Step 6: Final answer
    x = 76,927.86

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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.