Home / 185,579.69-278,509.47-135,788.24

Finding the Fourth Proportional to 185,579.69, 278,509.47 and 135,788.24

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Solution

The fourth proportional to 185,579.69, 278,509.47 and 135,788.24 is: 203,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,579.69 : 278,509.47 = 135,788.24 : x
  2. Step 2: Convert to fraction form
    185,579.69/278,509.47 = 135,788.24/x
  3. Step 3: Cross multiply
    185,579.69x = 278,509.47 × 135,788.24
  4. Step 4: Simplify right side
    185,579.69x = 37,818,309,362.09
  5. Step 5: Solve for x
    x = 37,818,309,362.09/185,579.69
  6. Step 6: Final answer
    x = 203,784.75

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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.