Home / 213,890.18-295,164.86-118,394.82

Finding the Fourth Proportional to 213,890.18, 295,164.86 and 118,394.82

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Solution

The fourth proportional to 213,890.18, 295,164.86 and 118,394.82 is: 163,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890.18 : 295,164.86 = 118,394.82 : x
  2. Step 2: Convert to fraction form
    213,890.18/295,164.86 = 118,394.82/x
  3. Step 3: Cross multiply
    213,890.18x = 295,164.86 × 118,394.82
  4. Step 4: Simplify right side
    213,890.18x = 34,945,990,470.03
  5. Step 5: Solve for x
    x = 34,945,990,470.03/213,890.18
  6. Step 6: Final answer
    x = 163,382.87

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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.