Home / 145,101.50-200,237.23-80,567.40

Finding the Fourth Proportional to 145,101.50, 200,237.23 and 80,567.40

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Solution

The fourth proportional to 145,101.50, 200,237.23 and 80,567.40 is: 111,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,101.50 : 200,237.23 = 80,567.40 : x
  2. Step 2: Convert to fraction form
    145,101.50/200,237.23 = 80,567.40/x
  3. Step 3: Cross multiply
    145,101.50x = 200,237.23 × 80,567.40
  4. Step 4: Simplify right side
    145,101.50x = 16,132,593,855.90
  5. Step 5: Solve for x
    x = 16,132,593,855.90/145,101.50
  6. Step 6: Final answer
    x = 111,181.44

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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.