Home / 130,154.56-195,231.84-36,660.16

Finding the Fourth Proportional to 130,154.56, 195,231.84 and 36,660.16

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Solution

The fourth proportional to 130,154.56, 195,231.84 and 36,660.16 is: 54,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,154.56 : 195,231.84 = 36,660.16 : x
  2. Step 2: Convert to fraction form
    130,154.56/195,231.84 = 36,660.16/x
  3. Step 3: Cross multiply
    130,154.56x = 195,231.84 × 36,660.16
  4. Step 4: Simplify right side
    130,154.56x = 7,157,230,491.49
  5. Step 5: Solve for x
    x = 7,157,230,491.49/130,154.56
  6. Step 6: Final answer
    x = 54,990.24

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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.