Home / 170,459.33-255,668.93-52,131.69

Finding the Fourth Proportional to 170,459.33, 255,668.93 and 52,131.69

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Solution

The fourth proportional to 170,459.33, 255,668.93 and 52,131.69 is: 78,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,459.33 : 255,668.93 = 52,131.69 : x
  2. Step 2: Convert to fraction form
    170,459.33/255,668.93 = 52,131.69/x
  3. Step 3: Cross multiply
    170,459.33x = 255,668.93 × 52,131.69
  4. Step 4: Simplify right side
    170,459.33x = 13,328,453,140.73
  5. Step 5: Solve for x
    x = 13,328,453,140.73/170,459.33
  6. Step 6: Final answer
    x = 78,191.40

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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.