Home / 258,783.13-357,112.34-144,058.03

Finding the Fourth Proportional to 258,783.13, 357,112.34 and 144,058.03

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Solution

The fourth proportional to 258,783.13, 357,112.34 and 144,058.03 is: 198,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,783.13 : 357,112.34 = 144,058.03 : x
  2. Step 2: Convert to fraction form
    258,783.13/357,112.34 = 144,058.03/x
  3. Step 3: Cross multiply
    258,783.13x = 357,112.34 × 144,058.03
  4. Step 4: Simplify right side
    258,783.13x = 51,444,898,403.53
  5. Step 5: Solve for x
    x = 51,444,898,403.53/258,783.13
  6. Step 6: Final answer
    x = 198,795.41

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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.