Home / 249,968.78-374,944.75-100,168.85

Finding the Fourth Proportional to 249,968.78, 374,944.75 and 100,168.85

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Solution

The fourth proportional to 249,968.78, 374,944.75 and 100,168.85 is: 150,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,968.78 : 374,944.75 = 100,168.85 : x
  2. Step 2: Convert to fraction form
    249,968.78/374,944.75 = 100,168.85/x
  3. Step 3: Cross multiply
    249,968.78x = 374,944.75 × 100,168.85
  4. Step 4: Simplify right side
    249,968.78x = 37,557,785,107.98
  5. Step 5: Solve for x
    x = 37,557,785,107.98/249,968.78
  6. Step 6: Final answer
    x = 150,249.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.