Home / 141,041.36-194,642.52-77,381.84

Finding the Fourth Proportional to 141,041.36, 194,642.52 and 77,381.84

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Solution

The fourth proportional to 141,041.36, 194,642.52 and 77,381.84 is: 106,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,041.36 : 194,642.52 = 77,381.84 : x
  2. Step 2: Convert to fraction form
    141,041.36/194,642.52 = 77,381.84/x
  3. Step 3: Cross multiply
    141,041.36x = 194,642.52 × 77,381.84
  4. Step 4: Simplify right side
    141,041.36x = 15,061,796,339.84
  5. Step 5: Solve for x
    x = 15,061,796,339.84/141,041.36
  6. Step 6: Final answer
    x = 106,789.93

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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.