Home / 180,674.45-249,327.51-100,100.36

Finding the Fourth Proportional to 180,674.45, 249,327.51 and 100,100.36

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Solution

The fourth proportional to 180,674.45, 249,327.51 and 100,100.36 is: 138,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,674.45 : 249,327.51 = 100,100.36 : x
  2. Step 2: Convert to fraction form
    180,674.45/249,327.51 = 100,100.36/x
  3. Step 3: Cross multiply
    180,674.45x = 249,327.51 × 100,100.36
  4. Step 4: Simplify right side
    180,674.45x = 24,957,773,508.90
  5. Step 5: Solve for x
    x = 24,957,773,508.90/180,674.45
  6. Step 6: Final answer
    x = 138,136.71

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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.