Home / 150,271.30-225,666.15-80,287.30

Finding the Fourth Proportional to 150,271.30, 225,666.15 and 80,287.30

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Solution

The fourth proportional to 150,271.30, 225,666.15 and 80,287.30 is: 120,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,271.30 : 225,666.15 = 80,287.30 : x
  2. Step 2: Convert to fraction form
    150,271.30/225,666.15 = 80,287.30/x
  3. Step 3: Cross multiply
    150,271.30x = 225,666.15 × 80,287.30
  4. Step 4: Simplify right side
    150,271.30x = 18,118,125,884.90
  5. Step 5: Solve for x
    x = 18,118,125,884.90/150,271.30
  6. Step 6: Final answer
    x = 120,569.44

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1.5x scale

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.