Home / 130,511.55-195,621.53-55,618.95

Finding the Fourth Proportional to 130,511.55, 195,621.53 and 55,618.95

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Solution

The fourth proportional to 130,511.55, 195,621.53 and 55,618.95 is: 83,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,511.55 : 195,621.53 = 55,618.95 : x
  2. Step 2: Convert to fraction form
    130,511.55/195,621.53 = 55,618.95/x
  3. Step 3: Cross multiply
    130,511.55x = 195,621.53 × 55,618.95
  4. Step 4: Simplify right side
    130,511.55x = 10,880,263,817.90
  5. Step 5: Solve for x
    x = 10,880,263,817.90/130,511.55
  6. Step 6: Final answer
    x = 83,366.29

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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.