Home / 258,743.42-357,069.96-144,023.31

Finding the Fourth Proportional to 258,743.42, 357,069.96 and 144,023.31

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Solution

The fourth proportional to 258,743.42, 357,069.96 and 144,023.31 is: 198,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,743.42 : 357,069.96 = 144,023.31 : x
  2. Step 2: Convert to fraction form
    258,743.42/357,069.96 = 144,023.31/x
  3. Step 3: Cross multiply
    258,743.42x = 357,069.96 × 144,023.31
  4. Step 4: Simplify right side
    258,743.42x = 51,426,398,793.50
  5. Step 5: Solve for x
    x = 51,426,398,793.50/258,743.42
  6. Step 6: Final answer
    x = 198,754.42

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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.