Home / 130,810.75-180,573.64-110,771.35

Finding the Fourth Proportional to 130,810.75, 180,573.64 and 110,771.35

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Solution

The fourth proportional to 130,810.75, 180,573.64 and 110,771.35 is: 152,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,810.75 : 180,573.64 = 110,771.35 : x
  2. Step 2: Convert to fraction form
    130,810.75/180,573.64 = 110,771.35/x
  3. Step 3: Cross multiply
    130,810.75x = 180,573.64 × 110,771.35
  4. Step 4: Simplify right side
    130,810.75x = 20,002,385,148.85
  5. Step 5: Solve for x
    x = 20,002,385,148.85/130,810.75
  6. Step 6: Final answer
    x = 152,910.87

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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.