Home / 213,981.57-295,290.95-118,486.22

Finding the Fourth Proportional to 213,981.57, 295,290.95 and 118,486.22

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Solution

The fourth proportional to 213,981.57, 295,290.95 and 118,486.22 is: 163,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,981.57 : 295,290.95 = 118,486.22 : x
  2. Step 2: Convert to fraction form
    213,981.57/295,290.95 = 118,486.22/x
  3. Step 3: Cross multiply
    213,981.57x = 295,290.95 × 118,486.22
  4. Step 4: Simplify right side
    213,981.57x = 34,987,906,396.82
  5. Step 5: Solve for x
    x = 34,987,906,396.82/213,981.57
  6. Step 6: Final answer
    x = 163,508.97

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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.