Home / 180,922.08-249,687.77-100,375.50

Finding the Fourth Proportional to 180,922.08, 249,687.77 and 100,375.50

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Solution

The fourth proportional to 180,922.08, 249,687.77 and 100,375.50 is: 138,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,922.08 : 249,687.77 = 100,375.50 : x
  2. Step 2: Convert to fraction form
    180,922.08/249,687.77 = 100,375.50/x
  3. Step 3: Cross multiply
    180,922.08x = 249,687.77 × 100,375.50
  4. Step 4: Simplify right side
    180,922.08x = 25,062,534,255.76
  5. Step 5: Solve for x
    x = 25,062,534,255.76/180,922.08
  6. Step 6: Final answer
    x = 138,526.68

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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.