Home / 100,411.94-150,528.42-38,126.18

Finding the Fourth Proportional to 100,411.94, 150,528.42 and 38,126.18

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Solution

The fourth proportional to 100,411.94, 150,528.42 and 38,126.18 is: 57,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,411.94 : 150,528.42 = 38,126.18 : x
  2. Step 2: Convert to fraction form
    100,411.94/150,528.42 = 38,126.18/x
  3. Step 3: Cross multiply
    100,411.94x = 150,528.42 × 38,126.18
  4. Step 4: Simplify right side
    100,411.94x = 5,739,073,636.04
  5. Step 5: Solve for x
    x = 5,739,073,636.04/100,411.94
  6. Step 6: Final answer
    x = 57,155.29

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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.