Home / 342,629.20-514,016.70-105,995.80

Finding the Fourth Proportional to 342,629.20, 514,016.70 and 105,995.80

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Solution

The fourth proportional to 342,629.20, 514,016.70 and 105,995.80 is: 159,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,629.20 : 514,016.70 = 105,995.80 : x
  2. Step 2: Convert to fraction form
    342,629.20/514,016.70 = 105,995.80/x
  3. Step 3: Cross multiply
    342,629.20x = 514,016.70 × 105,995.80
  4. Step 4: Simplify right side
    342,629.20x = 54,483,611,329.86
  5. Step 5: Solve for x
    x = 54,483,611,329.86/342,629.20
  6. Step 6: Final answer
    x = 159,016.25

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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.