Home / 178,242.45-245,882.58-120,862.36

Finding the Fourth Proportional to 178,242.45, 245,882.58 and 120,862.36

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Solution

The fourth proportional to 178,242.45, 245,882.58 and 120,862.36 is: 166,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,242.45 : 245,882.58 = 120,862.36 : x
  2. Step 2: Convert to fraction form
    178,242.45/245,882.58 = 120,862.36/x
  3. Step 3: Cross multiply
    178,242.45x = 245,882.58 × 120,862.36
  4. Step 4: Simplify right side
    178,242.45x = 29,717,947,825.95
  5. Step 5: Solve for x
    x = 29,717,947,825.95/178,242.45
  6. Step 6: Final answer
    x = 166,727.67

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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.