Home / 145,567.70-200,885.03-80,163.87

Finding the Fourth Proportional to 145,567.70, 200,885.03 and 80,163.87

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Solution

The fourth proportional to 145,567.70, 200,885.03 and 80,163.87 is: 110,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,567.70 : 200,885.03 = 80,163.87 : x
  2. Step 2: Convert to fraction form
    145,567.70/200,885.03 = 80,163.87/x
  3. Step 3: Cross multiply
    145,567.70x = 200,885.03 × 80,163.87
  4. Step 4: Simplify right side
    145,567.70x = 16,103,720,024.62
  5. Step 5: Solve for x
    x = 16,103,720,024.62/145,567.70
  6. Step 6: Final answer
    x = 110,627.02

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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.