Home / 258,189.92-387,274.35-89,748.44

Finding the Fourth Proportional to 258,189.92, 387,274.35 and 89,748.44

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Solution

The fourth proportional to 258,189.92, 387,274.35 and 89,748.44 is: 134,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,189.92 : 387,274.35 = 89,748.44 : x
  2. Step 2: Convert to fraction form
    258,189.92/387,274.35 = 89,748.44/x
  3. Step 3: Cross multiply
    258,189.92x = 387,274.35 × 89,748.44
  4. Step 4: Simplify right side
    258,189.92x = 34,757,268,764.51
  5. Step 5: Solve for x
    x = 34,757,268,764.51/258,189.92
  6. Step 6: Final answer
    x = 134,619.00

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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.