Home / 213,196.28-294,210.05-117,702.29

Finding the Fourth Proportional to 213,196.28, 294,210.05 and 117,702.29

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Solution

The fourth proportional to 213,196.28, 294,210.05 and 117,702.29 is: 162,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,196.28 : 294,210.05 = 117,702.29 : x
  2. Step 2: Convert to fraction form
    213,196.28/294,210.05 = 117,702.29/x
  3. Step 3: Cross multiply
    213,196.28x = 294,210.05 × 117,702.29
  4. Step 4: Simplify right side
    213,196.28x = 34,629,196,276.60
  5. Step 5: Solve for x
    x = 34,629,196,276.60/213,196.28
  6. Step 6: Final answer
    x = 162,428.71

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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.