Home / 281,982.79-423,000.96-102,113.65

Finding the Fourth Proportional to 281,982.79, 423,000.96 and 102,113.65

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Solution

The fourth proportional to 281,982.79, 423,000.96 and 102,113.65 is: 153,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,982.79 : 423,000.96 = 102,113.65 : x
  2. Step 2: Convert to fraction form
    281,982.79/423,000.96 = 102,113.65/x
  3. Step 3: Cross multiply
    281,982.79x = 423,000.96 × 102,113.65
  4. Step 4: Simplify right side
    281,982.79x = 43,194,171,979.10
  5. Step 5: Solve for x
    x = 43,194,171,979.10/281,982.79
  6. Step 6: Final answer
    x = 153,180.17

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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.