Home / 130,484.80-195,727.20-36,991.36

Finding the Fourth Proportional to 130,484.80, 195,727.20 and 36,991.36

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Solution

The fourth proportional to 130,484.80, 195,727.20 and 36,991.36 is: 55,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,484.80 : 195,727.20 = 36,991.36 : x
  2. Step 2: Convert to fraction form
    130,484.80/195,727.20 = 36,991.36/x
  3. Step 3: Cross multiply
    130,484.80x = 195,727.20 × 36,991.36
  4. Step 4: Simplify right side
    130,484.80x = 7,240,215,316.99
  5. Step 5: Solve for x
    x = 7,240,215,316.99/130,484.80
  6. Step 6: Final answer
    x = 55,487.04

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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.