Home / 130,764.80-195,686.40-119,705.60

Finding the Fourth Proportional to 130,764.80, 195,686.40 and 119,705.60

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Solution

The fourth proportional to 130,764.80, 195,686.40 and 119,705.60 is: 179,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,764.80 : 195,686.40 = 119,705.60 : x
  2. Step 2: Convert to fraction form
    130,764.80/195,686.40 = 119,705.60/x
  3. Step 3: Cross multiply
    130,764.80x = 195,686.40 × 119,705.60
  4. Step 4: Simplify right side
    130,764.80x = 23,424,757,923.84
  5. Step 5: Solve for x
    x = 23,424,757,923.84/130,764.80
  6. Step 6: Final answer
    x = 179,136.57

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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.