Home / 178,138.13-245,821.23-97,563.94

Finding the Fourth Proportional to 178,138.13, 245,821.23 and 97,563.94

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Solution

The fourth proportional to 178,138.13, 245,821.23 and 97,563.94 is: 134,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,138.13 : 245,821.23 = 97,563.94 : x
  2. Step 2: Convert to fraction form
    178,138.13/245,821.23 = 97,563.94/x
  3. Step 3: Cross multiply
    178,138.13x = 245,821.23 × 97,563.94
  4. Step 4: Simplify right side
    178,138.13x = 23,983,287,119.89
  5. Step 5: Solve for x
    x = 23,983,287,119.89/178,138.13
  6. Step 6: Final answer
    x = 134,633.10

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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.