Home / 228,933.63-315,929.30-126,968.55

Finding the Fourth Proportional to 228,933.63, 315,929.30 and 126,968.55

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Solution

The fourth proportional to 228,933.63, 315,929.30 and 126,968.55 is: 175,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,933.63 : 315,929.30 = 126,968.55 : x
  2. Step 2: Convert to fraction form
    228,933.63/315,929.30 = 126,968.55/x
  3. Step 3: Cross multiply
    228,933.63x = 315,929.30 × 126,968.55
  4. Step 4: Simplify right side
    228,933.63x = 40,113,085,123.52
  5. Step 5: Solve for x
    x = 40,113,085,123.52/228,933.63
  6. Step 6: Final answer
    x = 175,217.09

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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.