Home / 130,883.46-196,300.34-36,090.21

Finding the Fourth Proportional to 130,883.46, 196,300.34 and 36,090.21

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Solution

The fourth proportional to 130,883.46, 196,300.34 and 36,090.21 is: 54,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,883.46 : 196,300.34 = 36,090.21 : x
  2. Step 2: Convert to fraction form
    130,883.46/196,300.34 = 36,090.21/x
  3. Step 3: Cross multiply
    130,883.46x = 196,300.34 × 36,090.21
  4. Step 4: Simplify right side
    130,883.46x = 7,084,520,313.22
  5. Step 5: Solve for x
    x = 7,084,520,313.22/130,883.46
  6. Step 6: Final answer
    x = 54,128.46

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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.