Home / 141,336.84-195,045.93-77,675.70

Finding the Fourth Proportional to 141,336.84, 195,045.93 and 77,675.70

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Solution

The fourth proportional to 141,336.84, 195,045.93 and 77,675.70 is: 107,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,336.84 : 195,045.93 = 77,675.70 : x
  2. Step 2: Convert to fraction form
    141,336.84/195,045.93 = 77,675.70/x
  3. Step 3: Cross multiply
    141,336.84x = 195,045.93 × 77,675.70
  4. Step 4: Simplify right side
    141,336.84x = 15,150,329,144.90
  5. Step 5: Solve for x
    x = 15,150,329,144.90/141,336.84
  6. Step 6: Final answer
    x = 107,193.07

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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.