Home / 320,762.16-481,143.51-96,146.19

Finding the Fourth Proportional to 320,762.16, 481,143.51 and 96,146.19

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Solution

The fourth proportional to 320,762.16, 481,143.51 and 96,146.19 is: 144,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,762.16 : 481,143.51 = 96,146.19 : x
  2. Step 2: Convert to fraction form
    320,762.16/481,143.51 = 96,146.19/x
  3. Step 3: Cross multiply
    320,762.16x = 481,143.51 × 96,146.19
  4. Step 4: Simplify right side
    320,762.16x = 46,260,115,329.73
  5. Step 5: Solve for x
    x = 46,260,115,329.73/320,762.16
  6. Step 6: Final answer
    x = 144,219.37

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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.