Home / 150,549.12-225,823.68-51,984

Finding the Fourth Proportional to 150,549.12, 225,823.68 and 51,984

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Solution

The fourth proportional to 150,549.12, 225,823.68 and 51,984 is: 77,976

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.12 : 225,823.68 = 51,984 : x
  2. Step 2: Convert to fraction form
    150,549.12/225,823.68 = 51,984/x
  3. Step 3: Cross multiply
    150,549.12x = 225,823.68 × 51,984
  4. Step 4: Simplify right side
    150,549.12x = 11,739,218,181.12
  5. Step 5: Solve for x
    x = 11,739,218,181.12/150,549.12
  6. Step 6: Final answer
    x = 77,976

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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.