Home / 180,849.92-249,583.91-100,277.42

Finding the Fourth Proportional to 180,849.92, 249,583.91 and 100,277.42

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Solution

The fourth proportional to 180,849.92, 249,583.91 and 100,277.42 is: 138,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,849.92 : 249,583.91 = 100,277.42 : x
  2. Step 2: Convert to fraction form
    180,849.92/249,583.91 = 100,277.42/x
  3. Step 3: Cross multiply
    180,849.92x = 249,583.91 × 100,277.42
  4. Step 4: Simplify right side
    180,849.92x = 25,027,628,819.01
  5. Step 5: Solve for x
    x = 25,027,628,819.01/180,849.92
  6. Step 6: Final answer
    x = 138,388.94

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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.