Home / 320,064.37-480,121.06-95,407.63

Finding the Fourth Proportional to 320,064.37, 480,121.06 and 95,407.63

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Solution

The fourth proportional to 320,064.37, 480,121.06 and 95,407.63 is: 143,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,064.37 : 480,121.06 = 95,407.63 : x
  2. Step 2: Convert to fraction form
    320,064.37/480,121.06 = 95,407.63/x
  3. Step 3: Cross multiply
    320,064.37x = 480,121.06 × 95,407.63
  4. Step 4: Simplify right side
    320,064.37x = 45,807,212,447.69
  5. Step 5: Solve for x
    x = 45,807,212,447.69/320,064.37
  6. Step 6: Final answer
    x = 143,118.75

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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.