Home / 170,928.24-256,484.16-71,157.30

Finding the Fourth Proportional to 170,928.24, 256,484.16 and 71,157.30

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Solution

The fourth proportional to 170,928.24, 256,484.16 and 71,157.30 is: 106,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,928.24 : 256,484.16 = 71,157.30 : x
  2. Step 2: Convert to fraction form
    170,928.24/256,484.16 = 71,157.30/x
  3. Step 3: Cross multiply
    170,928.24x = 256,484.16 × 71,157.30
  4. Step 4: Simplify right side
    170,928.24x = 18,250,720,318.37
  5. Step 5: Solve for x
    x = 18,250,720,318.37/170,928.24
  6. Step 6: Final answer
    x = 106,774.17

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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.