Home / 141,071.21-194,677.73-77,410.07

Finding the Fourth Proportional to 141,071.21, 194,677.73 and 77,410.07

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Solution

The fourth proportional to 141,071.21, 194,677.73 and 77,410.07 is: 106,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,071.21 : 194,677.73 = 77,410.07 : x
  2. Step 2: Convert to fraction form
    141,071.21/194,677.73 = 77,410.07/x
  3. Step 3: Cross multiply
    141,071.21x = 194,677.73 × 77,410.07
  4. Step 4: Simplify right side
    141,071.21x = 15,070,015,346.30
  5. Step 5: Solve for x
    x = 15,070,015,346.30/141,071.21
  6. Step 6: Final answer
    x = 106,825.59

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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.