Home / 150,345.48-225,239.82-75,378.12

Finding the Fourth Proportional to 150,345.48, 225,239.82 and 75,378.12

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Solution

The fourth proportional to 150,345.48, 225,239.82 and 75,378.12 is: 112,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,345.48 : 225,239.82 = 75,378.12 : x
  2. Step 2: Convert to fraction form
    150,345.48/225,239.82 = 75,378.12/x
  3. Step 3: Cross multiply
    150,345.48x = 225,239.82 × 75,378.12
  4. Step 4: Simplify right side
    150,345.48x = 16,978,154,180.74
  5. Step 5: Solve for x
    x = 16,978,154,180.74/150,345.48
  6. Step 6: Final answer
    x = 112,927.60

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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.