Home / 130,509.72-195,722.46-36,990.36

Finding the Fourth Proportional to 130,509.72, 195,722.46 and 36,990.36

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Solution

The fourth proportional to 130,509.72, 195,722.46 and 36,990.36 is: 55,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,509.72 : 195,722.46 = 36,990.36 : x
  2. Step 2: Convert to fraction form
    130,509.72/195,722.46 = 36,990.36/x
  3. Step 3: Cross multiply
    130,509.72x = 195,722.46 × 36,990.36
  4. Step 4: Simplify right side
    130,509.72x = 7,239,844,255.49
  5. Step 5: Solve for x
    x = 7,239,844,255.49/130,509.72
  6. Step 6: Final answer
    x = 55,473.60

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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.