Home / 259,148.75-387,845.32-159,372.23

Finding the Fourth Proportional to 259,148.75, 387,845.32 and 159,372.23

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Solution

The fourth proportional to 259,148.75, 387,845.32 and 159,372.23 is: 238,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,148.75 : 387,845.32 = 159,372.23 : x
  2. Step 2: Convert to fraction form
    259,148.75/387,845.32 = 159,372.23/x
  3. Step 3: Cross multiply
    259,148.75x = 387,845.32 × 159,372.23
  4. Step 4: Simplify right side
    259,148.75x = 61,811,773,543.46
  5. Step 5: Solve for x
    x = 61,811,773,543.46/259,148.75
  6. Step 6: Final answer
    x = 238,518.51

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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.