Home / 130,069.50-195,099.90-55,141.44

Finding the Fourth Proportional to 130,069.50, 195,099.90 and 55,141.44

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Solution

The fourth proportional to 130,069.50, 195,099.90 and 55,141.44 is: 82,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.50 : 195,099.90 = 55,141.44 : x
  2. Step 2: Convert to fraction form
    130,069.50/195,099.90 = 55,141.44/x
  3. Step 3: Cross multiply
    130,069.50x = 195,099.90 × 55,141.44
  4. Step 4: Simplify right side
    130,069.50x = 10,758,089,429.86
  5. Step 5: Solve for x
    x = 10,758,089,429.86/130,069.50
  6. Step 6: Final answer
    x = 82,710.32

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1.5x scale

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.