Home / 213,128.90-294,096.91-117,629.45

Finding the Fourth Proportional to 213,128.90, 294,096.91 and 117,629.45

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Solution

The fourth proportional to 213,128.90, 294,096.91 and 117,629.45 is: 162,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,128.90 : 294,096.91 = 117,629.45 : x
  2. Step 2: Convert to fraction form
    213,128.90/294,096.91 = 117,629.45/x
  3. Step 3: Cross multiply
    213,128.90x = 294,096.91 × 117,629.45
  4. Step 4: Simplify right side
    213,128.90x = 34,594,455,711.37
  5. Step 5: Solve for x
    x = 34,594,455,711.37/213,128.90
  6. Step 6: Final answer
    x = 162,317.06

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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.