Home / 130,039.85-195,059.78-36,545.60

Finding the Fourth Proportional to 130,039.85, 195,059.78 and 36,545.60

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Solution

The fourth proportional to 130,039.85, 195,059.78 and 36,545.60 is: 54,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,039.85 : 195,059.78 = 36,545.60 : x
  2. Step 2: Convert to fraction form
    130,039.85/195,059.78 = 36,545.60/x
  3. Step 3: Cross multiply
    130,039.85x = 195,059.78 × 36,545.60
  4. Step 4: Simplify right side
    130,039.85x = 7,128,576,269.42
  5. Step 5: Solve for x
    x = 7,128,576,269.42/130,039.85
  6. Step 6: Final answer
    x = 54,818.40

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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.