Home / 213,214.27-294,233.70-117,721.64

Finding the Fourth Proportional to 213,214.27, 294,233.70 and 117,721.64

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Solution

The fourth proportional to 213,214.27, 294,233.70 and 117,721.64 is: 162,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,214.27 : 294,233.70 = 117,721.64 : x
  2. Step 2: Convert to fraction form
    213,214.27/294,233.70 = 117,721.64/x
  3. Step 3: Cross multiply
    213,214.27x = 294,233.70 × 117,721.64
  4. Step 4: Simplify right side
    213,214.27x = 34,637,673,707.27
  5. Step 5: Solve for x
    x = 34,637,673,707.27/213,214.27
  6. Step 6: Final answer
    x = 162,454.77

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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.