Home / 320,112.15-480,192.53-95,455.01

Finding the Fourth Proportional to 320,112.15, 480,192.53 and 95,455.01

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Solution

The fourth proportional to 320,112.15, 480,192.53 and 95,455.01 is: 143,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,112.15 : 480,192.53 = 95,455.01 : x
  2. Step 2: Convert to fraction form
    320,112.15/480,192.53 = 95,455.01/x
  3. Step 3: Cross multiply
    320,112.15x = 480,192.53 × 95,455.01
  4. Step 4: Simplify right side
    320,112.15x = 45,836,779,874.84
  5. Step 5: Solve for x
    x = 45,836,779,874.84/320,112.15
  6. Step 6: Final answer
    x = 143,189.75

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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.