Home / 150,421.64-225,574.14-80,262.68

Finding the Fourth Proportional to 150,421.64, 225,574.14 and 80,262.68

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Solution

The fourth proportional to 150,421.64, 225,574.14 and 80,262.68 is: 120,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,421.64 : 225,574.14 = 80,262.68 : x
  2. Step 2: Convert to fraction form
    150,421.64/225,574.14 = 80,262.68/x
  3. Step 3: Cross multiply
    150,421.64x = 225,574.14 × 80,262.68
  4. Step 4: Simplify right side
    150,421.64x = 18,105,185,015.10
  5. Step 5: Solve for x
    x = 18,105,185,015.10/150,421.64
  6. Step 6: Final answer
    x = 120,362.90

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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.