Home / 145,053.15-200,163.33-80,517.35

Finding the Fourth Proportional to 145,053.15, 200,163.33 and 80,517.35

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Solution

The fourth proportional to 145,053.15, 200,163.33 and 80,517.35 is: 111,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,053.15 : 200,163.33 = 80,517.35 : x
  2. Step 2: Convert to fraction form
    145,053.15/200,163.33 = 80,517.35/x
  3. Step 3: Cross multiply
    145,053.15x = 200,163.33 × 80,517.35
  4. Step 4: Simplify right side
    145,053.15x = 16,116,620,898.78
  5. Step 5: Solve for x
    x = 16,116,620,898.78/145,053.15
  6. Step 6: Final answer
    x = 111,108.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.