Home / 150,345.98-225,240.57-75,378.62

Finding the Fourth Proportional to 150,345.98, 225,240.57 and 75,378.62

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Solution

The fourth proportional to 150,345.98, 225,240.57 and 75,378.62 is: 112,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,345.98 : 225,240.57 = 75,378.62 : x
  2. Step 2: Convert to fraction form
    150,345.98/225,240.57 = 75,378.62/x
  3. Step 3: Cross multiply
    150,345.98x = 225,240.57 × 75,378.62
  4. Step 4: Simplify right side
    150,345.98x = 16,978,323,334.61
  5. Step 5: Solve for x
    x = 16,978,323,334.61/150,345.98
  6. Step 6: Final answer
    x = 112,928.35

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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.