Home / 228,514.60-315,350.31-125,148.25

Finding the Fourth Proportional to 228,514.60, 315,350.31 and 125,148.25

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Solution

The fourth proportional to 228,514.60, 315,350.31 and 125,148.25 is: 172,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,514.60 : 315,350.31 = 125,148.25 : x
  2. Step 2: Convert to fraction form
    228,514.60/315,350.31 = 125,148.25/x
  3. Step 3: Cross multiply
    228,514.60x = 315,350.31 × 125,148.25
  4. Step 4: Simplify right side
    228,514.60x = 39,465,539,433.46
  5. Step 5: Solve for x
    x = 39,465,539,433.46/228,514.60
  6. Step 6: Final answer
    x = 172,704.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.