Home / 78,971.07-118,439.19-22,798.97

Finding the Fourth Proportional to 78,971.07, 118,439.19 and 22,798.97

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Solution

The fourth proportional to 78,971.07, 118,439.19 and 22,798.97 is: 34,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,971.07 : 118,439.19 = 22,798.97 : x
  2. Step 2: Convert to fraction form
    78,971.07/118,439.19 = 22,798.97/x
  3. Step 3: Cross multiply
    78,971.07x = 118,439.19 × 22,798.97
  4. Step 4: Simplify right side
    78,971.07x = 2,700,290,947.44
  5. Step 5: Solve for x
    x = 2,700,290,947.44/78,971.07
  6. Step 6: Final answer
    x = 34,193.42

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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.