Home / 201,636.10-302,162.55-89,224.30

Finding the Fourth Proportional to 201,636.10, 302,162.55 and 89,224.30

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Solution

The fourth proportional to 201,636.10, 302,162.55 and 89,224.30 is: 133,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,636.10 : 302,162.55 = 89,224.30 : x
  2. Step 2: Convert to fraction form
    201,636.10/302,162.55 = 89,224.30/x
  3. Step 3: Cross multiply
    201,636.10x = 302,162.55 × 89,224.30
  4. Step 4: Simplify right side
    201,636.10x = 26,960,242,009.97
  5. Step 5: Solve for x
    x = 26,960,242,009.97/201,636.10
  6. Step 6: Final answer
    x = 133,707.42

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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.