Home / 180,660.87-249,286.57-100,093.16

Finding the Fourth Proportional to 180,660.87, 249,286.57 and 100,093.16

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Solution

The fourth proportional to 180,660.87, 249,286.57 and 100,093.16 is: 138,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,660.87 : 249,286.57 = 100,093.16 : x
  2. Step 2: Convert to fraction form
    180,660.87/249,286.57 = 100,093.16/x
  3. Step 3: Cross multiply
    180,660.87x = 249,286.57 × 100,093.16
  4. Step 4: Simplify right side
    180,660.87x = 24,951,880,536.86
  5. Step 5: Solve for x
    x = 24,951,880,536.86/180,660.87
  6. Step 6: Final answer
    x = 138,114.47

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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.