Home / 170,489.05-255,724.35-52,160.38

Finding the Fourth Proportional to 170,489.05, 255,724.35 and 52,160.38

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Solution

The fourth proportional to 170,489.05, 255,724.35 and 52,160.38 is: 78,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,489.05 : 255,724.35 = 52,160.38 : x
  2. Step 2: Convert to fraction form
    170,489.05/255,724.35 = 52,160.38/x
  3. Step 3: Cross multiply
    170,489.05x = 255,724.35 × 52,160.38
  4. Step 4: Simplify right side
    170,489.05x = 13,338,679,271.25
  5. Step 5: Solve for x
    x = 13,338,679,271.25/170,489.05
  6. Step 6: Final answer
    x = 78,237.75

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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.