Home / 213,986.23-295,297.40-118,490.87

Finding the Fourth Proportional to 213,986.23, 295,297.40 and 118,490.87

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Solution

The fourth proportional to 213,986.23, 295,297.40 and 118,490.87 is: 163,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,986.23 : 295,297.40 = 118,490.87 : x
  2. Step 2: Convert to fraction form
    213,986.23/295,297.40 = 118,490.87/x
  3. Step 3: Cross multiply
    213,986.23x = 295,297.40 × 118,490.87
  4. Step 4: Simplify right side
    213,986.23x = 34,990,046,869.21
  5. Step 5: Solve for x
    x = 34,990,046,869.21/213,986.23
  6. Step 6: Final answer
    x = 163,515.42

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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.