Home / 109,230.10-150,659.89-72,913.26

Finding the Fourth Proportional to 109,230.10, 150,659.89 and 72,913.26

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Solution

The fourth proportional to 109,230.10, 150,659.89 and 72,913.26 is: 100,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,230.10 : 150,659.89 = 72,913.26 : x
  2. Step 2: Convert to fraction form
    109,230.10/150,659.89 = 72,913.26/x
  3. Step 3: Cross multiply
    109,230.10x = 150,659.89 × 72,913.26
  4. Step 4: Simplify right side
    109,230.10x = 10,985,103,731.14
  5. Step 5: Solve for x
    x = 10,985,103,731.14/109,230.10
  6. Step 6: Final answer
    x = 100,568.47

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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.