Home / 141,051.44-194,651.24-77,389.70

Finding the Fourth Proportional to 141,051.44, 194,651.24 and 77,389.70

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Solution

The fourth proportional to 141,051.44, 194,651.24 and 77,389.70 is: 106,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,051.44 : 194,651.24 = 77,389.70 : x
  2. Step 2: Convert to fraction form
    141,051.44/194,651.24 = 77,389.70/x
  3. Step 3: Cross multiply
    141,051.44x = 194,651.24 × 77,389.70
  4. Step 4: Simplify right side
    141,051.44x = 15,064,001,068.23
  5. Step 5: Solve for x
    x = 15,064,001,068.23/141,051.44
  6. Step 6: Final answer
    x = 106,797.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.