Home / 153,090.89-229,610.43-46,449.13

Finding the Fourth Proportional to 153,090.89, 229,610.43 and 46,449.13

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Solution

The fourth proportional to 153,090.89, 229,610.43 and 46,449.13 is: 69,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,090.89 : 229,610.43 = 46,449.13 : x
  2. Step 2: Convert to fraction form
    153,090.89/229,610.43 = 46,449.13/x
  3. Step 3: Cross multiply
    153,090.89x = 229,610.43 × 46,449.13
  4. Step 4: Simplify right side
    153,090.89x = 10,665,204,712.43
  5. Step 5: Solve for x
    x = 10,665,204,712.43/153,090.89
  6. Step 6: Final answer
    x = 69,665.84

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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.