Home / 146,001.30-201,443.63-85,539.48

Finding the Fourth Proportional to 146,001.30, 201,443.63 and 85,539.48

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Solution

The fourth proportional to 146,001.30, 201,443.63 and 85,539.48 is: 118,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,001.30 : 201,443.63 = 85,539.48 : x
  2. Step 2: Convert to fraction form
    146,001.30/201,443.63 = 85,539.48/x
  3. Step 3: Cross multiply
    146,001.30x = 201,443.63 × 85,539.48
  4. Step 4: Simplify right side
    146,001.30x = 17,231,382,566.14
  5. Step 5: Solve for x
    x = 17,231,382,566.14/146,001.30
  6. Step 6: Final answer
    x = 118,022.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.