Home / 213,515.96-294,640.52-118,016.96

Finding the Fourth Proportional to 213,515.96, 294,640.52 and 118,016.96

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Solution

The fourth proportional to 213,515.96, 294,640.52 and 118,016.96 is: 162,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,515.96 : 294,640.52 = 118,016.96 : x
  2. Step 2: Convert to fraction form
    213,515.96/294,640.52 = 118,016.96/x
  3. Step 3: Cross multiply
    213,515.96x = 294,640.52 × 118,016.96
  4. Step 4: Simplify right side
    213,515.96x = 34,772,578,463.22
  5. Step 5: Solve for x
    x = 34,772,578,463.22/213,515.96
  6. Step 6: Final answer
    x = 162,857.05

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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.