Home / 197,090.34-295,637.13-84,762.78

Finding the Fourth Proportional to 197,090.34, 295,637.13 and 84,762.78

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Solution

The fourth proportional to 197,090.34, 295,637.13 and 84,762.78 is: 127,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,090.34 : 295,637.13 = 84,762.78 : x
  2. Step 2: Convert to fraction form
    197,090.34/295,637.13 = 84,762.78/x
  3. Step 3: Cross multiply
    197,090.34x = 295,637.13 × 84,762.78
  4. Step 4: Simplify right side
    197,090.34x = 25,059,025,010.02
  5. Step 5: Solve for x
    x = 25,059,025,010.02/197,090.34
  6. Step 6: Final answer
    x = 127,144.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.