Home / 213,438.35-294,545.03-117,945.05

Finding the Fourth Proportional to 213,438.35, 294,545.03 and 117,945.05

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Solution

The fourth proportional to 213,438.35, 294,545.03 and 117,945.05 is: 162,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,438.35 : 294,545.03 = 117,945.05 : x
  2. Step 2: Convert to fraction form
    213,438.35/294,545.03 = 117,945.05/x
  3. Step 3: Cross multiply
    213,438.35x = 294,545.03 × 117,945.05
  4. Step 4: Simplify right side
    213,438.35x = 34,740,128,290.60
  5. Step 5: Solve for x
    x = 34,740,128,290.60/213,438.35
  6. Step 6: Final answer
    x = 162,764.23

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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.