Home / 178,390.03-245,976.46-113,772.84

Finding the Fourth Proportional to 178,390.03, 245,976.46 and 113,772.84

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Solution

The fourth proportional to 178,390.03, 245,976.46 and 113,772.84 is: 156,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,390.03 : 245,976.46 = 113,772.84 : x
  2. Step 2: Convert to fraction form
    178,390.03/245,976.46 = 113,772.84/x
  3. Step 3: Cross multiply
    178,390.03x = 245,976.46 × 113,772.84
  4. Step 4: Simplify right side
    178,390.03x = 27,985,440,427.35
  5. Step 5: Solve for x
    x = 27,985,440,427.35/178,390.03
  6. Step 6: Final answer
    x = 156,877.83

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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.