Home / 213,816.69-295,062.89-118,321.65

Finding the Fourth Proportional to 213,816.69, 295,062.89 and 118,321.65

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Solution

The fourth proportional to 213,816.69, 295,062.89 and 118,321.65 is: 163,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,816.69 : 295,062.89 = 118,321.65 : x
  2. Step 2: Convert to fraction form
    213,816.69/295,062.89 = 118,321.65/x
  3. Step 3: Cross multiply
    213,816.69x = 295,062.89 × 118,321.65
  4. Step 4: Simplify right side
    213,816.69x = 34,912,327,406.96
  5. Step 5: Solve for x
    x = 34,912,327,406.96/213,816.69
  6. Step 6: Final answer
    x = 163,281.58

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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.