Home / 130,069.65-195,104.48-100,545.15

Finding the Fourth Proportional to 130,069.65, 195,104.48 and 100,545.15

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Solution

The fourth proportional to 130,069.65, 195,104.48 and 100,545.15 is: 150,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.65 : 195,104.48 = 100,545.15 : x
  2. Step 2: Convert to fraction form
    130,069.65/195,104.48 = 100,545.15/x
  3. Step 3: Cross multiply
    130,069.65x = 195,104.48 × 100,545.15
  4. Step 4: Simplify right side
    130,069.65x = 19,616,808,704.55
  5. Step 5: Solve for x
    x = 19,616,808,704.55/130,069.65
  6. Step 6: Final answer
    x = 150,817.73

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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.