Home / 100,291.19-150,446.37-28,243.92

Finding the Fourth Proportional to 100,291.19, 150,446.37 and 28,243.92

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Solution

The fourth proportional to 100,291.19, 150,446.37 and 28,243.92 is: 42,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,291.19 : 150,446.37 = 28,243.92 : x
  2. Step 2: Convert to fraction form
    100,291.19/150,446.37 = 28,243.92/x
  3. Step 3: Cross multiply
    100,291.19x = 150,446.37 × 28,243.92
  4. Step 4: Simplify right side
    100,291.19x = 4,249,195,238.57
  5. Step 5: Solve for x
    x = 4,249,195,238.57/100,291.19
  6. Step 6: Final answer
    x = 42,368.58

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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.