Home / 360,425.12-540,681.44-111,107.20

Finding the Fourth Proportional to 360,425.12, 540,681.44 and 111,107.20

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Solution

The fourth proportional to 360,425.12, 540,681.44 and 111,107.20 is: 166,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,425.12 : 540,681.44 = 111,107.20 : x
  2. Step 2: Convert to fraction form
    360,425.12/540,681.44 = 111,107.20/x
  3. Step 3: Cross multiply
    360,425.12x = 540,681.44 × 111,107.20
  4. Step 4: Simplify right side
    360,425.12x = 60,073,600,890.37
  5. Step 5: Solve for x
    x = 60,073,600,890.37/360,425.12
  6. Step 6: Final answer
    x = 166,674.29

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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.