Home / 129,829.20-194,743.80-110,802.30

Finding the Fourth Proportional to 129,829.20, 194,743.80 and 110,802.30

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Solution

The fourth proportional to 129,829.20, 194,743.80 and 110,802.30 is: 166,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,829.20 : 194,743.80 = 110,802.30 : x
  2. Step 2: Convert to fraction form
    129,829.20/194,743.80 = 110,802.30/x
  3. Step 3: Cross multiply
    129,829.20x = 194,743.80 × 110,802.30
  4. Step 4: Simplify right side
    129,829.20x = 21,578,060,950.74
  5. Step 5: Solve for x
    x = 21,578,060,950.74/129,829.20
  6. Step 6: Final answer
    x = 166,203.45

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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.