Home / 213,785.12-295,019.21-118,291.79

Finding the Fourth Proportional to 213,785.12, 295,019.21 and 118,291.79

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Solution

The fourth proportional to 213,785.12, 295,019.21 and 118,291.79 is: 163,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,785.12 : 295,019.21 = 118,291.79 : x
  2. Step 2: Convert to fraction form
    213,785.12/295,019.21 = 118,291.79/x
  3. Step 3: Cross multiply
    213,785.12x = 295,019.21 × 118,291.79
  4. Step 4: Simplify right side
    213,785.12x = 34,898,351,468.56
  5. Step 5: Solve for x
    x = 34,898,351,468.56/213,785.12
  6. Step 6: Final answer
    x = 163,240.32

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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.