Home / 141,569.69-195,367.55-77,908.95

Finding the Fourth Proportional to 141,569.69, 195,367.55 and 77,908.95

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Solution

The fourth proportional to 141,569.69, 195,367.55 and 77,908.95 is: 107,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,569.69 : 195,367.55 = 77,908.95 : x
  2. Step 2: Convert to fraction form
    141,569.69/195,367.55 = 77,908.95/x
  3. Step 3: Cross multiply
    141,569.69x = 195,367.55 × 77,908.95
  4. Step 4: Simplify right side
    141,569.69x = 15,220,880,295.03
  5. Step 5: Solve for x
    x = 15,220,880,295.03/141,569.69
  6. Step 6: Final answer
    x = 107,515.11

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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.