Home / 228,932.63-315,927.92-126,967.55

Finding the Fourth Proportional to 228,932.63, 315,927.92 and 126,967.55

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Solution

The fourth proportional to 228,932.63, 315,927.92 and 126,967.55 is: 175,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,932.63 : 315,927.92 = 126,967.55 : x
  2. Step 2: Convert to fraction form
    228,932.63/315,927.92 = 126,967.55/x
  3. Step 3: Cross multiply
    228,932.63x = 315,927.92 × 126,967.55
  4. Step 4: Simplify right side
    228,932.63x = 40,112,595,086.23
  5. Step 5: Solve for x
    x = 40,112,595,086.23/228,932.63
  6. Step 6: Final answer
    x = 175,215.72

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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.