Home / 130,914.96-196,373.28-55,972

Finding the Fourth Proportional to 130,914.96, 196,373.28 and 55,972

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Solution

The fourth proportional to 130,914.96, 196,373.28 and 55,972 is: 83,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,914.96 : 196,373.28 = 55,972 : x
  2. Step 2: Convert to fraction form
    130,914.96/196,373.28 = 55,972/x
  3. Step 3: Cross multiply
    130,914.96x = 196,373.28 × 55,972
  4. Step 4: Simplify right side
    130,914.96x = 10,991,405,228.16
  5. Step 5: Solve for x
    x = 10,991,405,228.16/130,914.96
  6. Step 6: Final answer
    x = 83,958.36

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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.