Home / 103,020.62-154,330.44-75,953.66

Finding the Fourth Proportional to 103,020.62, 154,330.44 and 75,953.66

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Solution

The fourth proportional to 103,020.62, 154,330.44 and 75,953.66 is: 113,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,020.62 : 154,330.44 = 75,953.66 : x
  2. Step 2: Convert to fraction form
    103,020.62/154,330.44 = 75,953.66/x
  3. Step 3: Cross multiply
    103,020.62x = 154,330.44 × 75,953.66
  4. Step 4: Simplify right side
    103,020.62x = 11,721,960,995.76
  5. Step 5: Solve for x
    x = 11,721,960,995.76/103,020.62
  6. Step 6: Final answer
    x = 113,782.67

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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.