Home / 180,674.37-249,327.39-100,100.28

Finding the Fourth Proportional to 180,674.37, 249,327.39 and 100,100.28

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Solution

The fourth proportional to 180,674.37, 249,327.39 and 100,100.28 is: 138,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,674.37 : 249,327.39 = 100,100.28 : x
  2. Step 2: Convert to fraction form
    180,674.37/249,327.39 = 100,100.28/x
  3. Step 3: Cross multiply
    180,674.37x = 249,327.39 × 100,100.28
  4. Step 4: Simplify right side
    180,674.37x = 24,957,741,550.67
  5. Step 5: Solve for x
    x = 24,957,741,550.67/180,674.37
  6. Step 6: Final answer
    x = 138,136.59

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1.5x scale

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.