Home / 130,009.29-195,021.23-36,507.75

Finding the Fourth Proportional to 130,009.29, 195,021.23 and 36,507.75

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Solution

The fourth proportional to 130,009.29, 195,021.23 and 36,507.75 is: 54,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,009.29 : 195,021.23 = 36,507.75 : x
  2. Step 2: Convert to fraction form
    130,009.29/195,021.23 = 36,507.75/x
  3. Step 3: Cross multiply
    130,009.29x = 195,021.23 × 36,507.75
  4. Step 4: Simplify right side
    130,009.29x = 7,119,786,309.53
  5. Step 5: Solve for x
    x = 7,119,786,309.53/130,009.29
  6. Step 6: Final answer
    x = 54,763.67

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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.