Home / 141,069.42-194,675.27-77,408.28

Finding the Fourth Proportional to 141,069.42, 194,675.27 and 77,408.28

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Solution

The fourth proportional to 141,069.42, 194,675.27 and 77,408.28 is: 106,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.42 : 194,675.27 = 77,408.28 : x
  2. Step 2: Convert to fraction form
    141,069.42/194,675.27 = 77,408.28/x
  3. Step 3: Cross multiply
    141,069.42x = 194,675.27 × 77,408.28
  4. Step 4: Simplify right side
    141,069.42x = 15,069,477,422.19
  5. Step 5: Solve for x
    x = 15,069,477,422.19/141,069.42
  6. Step 6: Final answer
    x = 106,823.13

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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.