Home / 154,185.80-212,764.66-93,748.05

Finding the Fourth Proportional to 154,185.80, 212,764.66 and 93,748.05

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Solution

The fourth proportional to 154,185.80, 212,764.66 and 93,748.05 is: 129,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,185.80 : 212,764.66 = 93,748.05 : x
  2. Step 2: Convert to fraction form
    154,185.80/212,764.66 = 93,748.05/x
  3. Step 3: Cross multiply
    154,185.80x = 212,764.66 × 93,748.05
  4. Step 4: Simplify right side
    154,185.80x = 19,946,271,749.54
  5. Step 5: Solve for x
    x = 19,946,271,749.54/154,185.80
  6. Step 6: Final answer
    x = 129,365.17

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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.