Home / 213,618.90-294,788.25-118,122.33

Finding the Fourth Proportional to 213,618.90, 294,788.25 and 118,122.33

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Solution

The fourth proportional to 213,618.90, 294,788.25 and 118,122.33 is: 163,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,618.90 : 294,788.25 = 118,122.33 : x
  2. Step 2: Convert to fraction form
    213,618.90/294,788.25 = 118,122.33/x
  3. Step 3: Cross multiply
    213,618.90x = 294,788.25 × 118,122.33
  4. Step 4: Simplify right side
    213,618.90x = 34,821,074,946.62
  5. Step 5: Solve for x
    x = 34,821,074,946.62/213,618.90
  6. Step 6: Final answer
    x = 163,005.59

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1.5x scale

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.