Home / 258,001.06-356,044.95-143,287.10

Finding the Fourth Proportional to 258,001.06, 356,044.95 and 143,287.10

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Solution

The fourth proportional to 258,001.06, 356,044.95 and 143,287.10 is: 197,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,001.06 : 356,044.95 = 143,287.10 : x
  2. Step 2: Convert to fraction form
    258,001.06/356,044.95 = 143,287.10/x
  3. Step 3: Cross multiply
    258,001.06x = 356,044.95 × 143,287.10
  4. Step 4: Simplify right side
    258,001.06x = 51,016,647,638.71
  5. Step 5: Solve for x
    x = 51,016,647,638.71/258,001.06
  6. Step 6: Final answer
    x = 197,738.14

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1.5x scale

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.