Home / 213,999.78-295,319.43-118,506.36

Finding the Fourth Proportional to 213,999.78, 295,319.43 and 118,506.36

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Solution

The fourth proportional to 213,999.78, 295,319.43 and 118,506.36 is: 163,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,999.78 : 295,319.43 = 118,506.36 : x
  2. Step 2: Convert to fraction form
    213,999.78/295,319.43 = 118,506.36/x
  3. Step 3: Cross multiply
    213,999.78x = 295,319.43 × 118,506.36
  4. Step 4: Simplify right side
    213,999.78x = 34,997,230,686.57
  5. Step 5: Solve for x
    x = 34,997,230,686.57/213,999.78
  6. Step 6: Final answer
    x = 163,538.63

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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.