Home / 213,215.35-294,241.77-117,728.08

Finding the Fourth Proportional to 213,215.35, 294,241.77 and 117,728.08

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Solution

The fourth proportional to 213,215.35, 294,241.77 and 117,728.08 is: 162,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,215.35 : 294,241.77 = 117,728.08 : x
  2. Step 2: Convert to fraction form
    213,215.35/294,241.77 = 117,728.08/x
  3. Step 3: Cross multiply
    213,215.35x = 294,241.77 × 117,728.08
  4. Step 4: Simplify right side
    213,215.35x = 34,640,518,637.90
  5. Step 5: Solve for x
    x = 34,640,518,637.90/213,215.35
  6. Step 6: Final answer
    x = 162,467.28

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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.