Home / 170,656.40-255,986.52-52,328.72

Finding the Fourth Proportional to 170,656.40, 255,986.52 and 52,328.72

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Solution

The fourth proportional to 170,656.40, 255,986.52 and 52,328.72 is: 78,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,656.40 : 255,986.52 = 52,328.72 : x
  2. Step 2: Convert to fraction form
    170,656.40/255,986.52 = 52,328.72/x
  3. Step 3: Cross multiply
    170,656.40x = 255,986.52 × 52,328.72
  4. Step 4: Simplify right side
    170,656.40x = 13,395,446,928.85
  5. Step 5: Solve for x
    x = 13,395,446,928.85/170,656.40
  6. Step 6: Final answer
    x = 78,493.67

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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.