Home / 213,517.20-294,641.07-118,018.20

Finding the Fourth Proportional to 213,517.20, 294,641.07 and 118,018.20

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Solution

The fourth proportional to 213,517.20, 294,641.07 and 118,018.20 is: 162,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,517.20 : 294,641.07 = 118,018.20 : x
  2. Step 2: Convert to fraction form
    213,517.20/294,641.07 = 118,018.20/x
  3. Step 3: Cross multiply
    213,517.20x = 294,641.07 × 118,018.20
  4. Step 4: Simplify right side
    213,517.20x = 34,773,008,727.47
  5. Step 5: Solve for x
    x = 34,773,008,727.47/213,517.20
  6. Step 6: Final answer
    x = 162,858.12

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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.