Home / 170,580.27-255,866.91-75,784.76

Finding the Fourth Proportional to 170,580.27, 255,866.91 and 75,784.76

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Solution

The fourth proportional to 170,580.27, 255,866.91 and 75,784.76 is: 113,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,580.27 : 255,866.91 = 75,784.76 : x
  2. Step 2: Convert to fraction form
    170,580.27/255,866.91 = 75,784.76/x
  3. Step 3: Cross multiply
    170,580.27x = 255,866.91 × 75,784.76
  4. Step 4: Simplify right side
    170,580.27x = 19,390,811,762.27
  5. Step 5: Solve for x
    x = 19,390,811,762.27/170,580.27
  6. Step 6: Final answer
    x = 113,675.58

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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.