Home / 210,076.85-315,244.34-110,308.61

Finding the Fourth Proportional to 210,076.85, 315,244.34 and 110,308.61

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Solution

The fourth proportional to 210,076.85, 315,244.34 and 110,308.61 is: 165,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,076.85 : 315,244.34 = 110,308.61 : x
  2. Step 2: Convert to fraction form
    210,076.85/315,244.34 = 110,308.61/x
  3. Step 3: Cross multiply
    210,076.85x = 315,244.34 × 110,308.61
  4. Step 4: Simplify right side
    210,076.85x = 34,774,164,955.77
  5. Step 5: Solve for x
    x = 34,774,164,955.77/210,076.85
  6. Step 6: Final answer
    x = 165,530.69

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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.