Home / 189,448.69-261,432.68-112,928.33

Finding the Fourth Proportional to 189,448.69, 261,432.68 and 112,928.33

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Solution

The fourth proportional to 189,448.69, 261,432.68 and 112,928.33 is: 155,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,448.69 : 261,432.68 = 112,928.33 : x
  2. Step 2: Convert to fraction form
    189,448.69/261,432.68 = 112,928.33/x
  3. Step 3: Cross multiply
    189,448.69x = 261,432.68 × 112,928.33
  4. Step 4: Simplify right side
    189,448.69x = 29,523,155,213.43
  5. Step 5: Solve for x
    x = 29,523,155,213.43/189,448.69
  6. Step 6: Final answer
    x = 155,837.21

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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.