Home / 169,780.38-254,670.30-45,121.38

Finding the Fourth Proportional to 169,780.38, 254,670.30 and 45,121.38

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Solution

The fourth proportional to 169,780.38, 254,670.30 and 45,121.38 is: 67,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,780.38 : 254,670.30 = 45,121.38 : x
  2. Step 2: Convert to fraction form
    169,780.38/254,670.30 = 45,121.38/x
  3. Step 3: Cross multiply
    169,780.38x = 254,670.30 × 45,121.38
  4. Step 4: Simplify right side
    169,780.38x = 11,491,075,381.01
  5. Step 5: Solve for x
    x = 11,491,075,381.01/169,780.38
  6. Step 6: Final answer
    x = 67,682.00

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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.