Home / 178,145.06-245,721.90-114,563.30

Finding the Fourth Proportional to 178,145.06, 245,721.90 and 114,563.30

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Solution

The fourth proportional to 178,145.06, 245,721.90 and 114,563.30 is: 158,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,145.06 : 245,721.90 = 114,563.30 : x
  2. Step 2: Convert to fraction form
    178,145.06/245,721.90 = 114,563.30/x
  3. Step 3: Cross multiply
    178,145.06x = 245,721.90 × 114,563.30
  4. Step 4: Simplify right side
    178,145.06x = 28,150,711,746.27
  5. Step 5: Solve for x
    x = 28,150,711,746.27/178,145.06
  6. Step 6: Final answer
    x = 158,021.29

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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.