Home / 213,090.03-294,174.80-155,664.87

Finding the Fourth Proportional to 213,090.03, 294,174.80 and 155,664.87

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Solution

The fourth proportional to 213,090.03, 294,174.80 and 155,664.87 is: 214,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,090.03 : 294,174.80 = 155,664.87 : x
  2. Step 2: Convert to fraction form
    213,090.03/294,174.80 = 155,664.87/x
  3. Step 3: Cross multiply
    213,090.03x = 294,174.80 × 155,664.87
  4. Step 4: Simplify right side
    213,090.03x = 45,792,681,999.28
  5. Step 5: Solve for x
    x = 45,792,681,999.28/213,090.03
  6. Step 6: Final answer
    x = 214,898.29

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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.