Home / 78,979.07-118,451.16-22,806.95

Finding the Fourth Proportional to 78,979.07, 118,451.16 and 22,806.95

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Solution

The fourth proportional to 78,979.07, 118,451.16 and 22,806.95 is: 34,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,979.07 : 118,451.16 = 22,806.95 : x
  2. Step 2: Convert to fraction form
    78,979.07/118,451.16 = 22,806.95/x
  3. Step 3: Cross multiply
    78,979.07x = 118,451.16 × 22,806.95
  4. Step 4: Simplify right side
    78,979.07x = 2,701,509,091.31
  5. Step 5: Solve for x
    x = 2,701,509,091.31/78,979.07
  6. Step 6: Final answer
    x = 34,205.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.