Home / 201,631.80-302,435.46-89,279.16

Finding the Fourth Proportional to 201,631.80, 302,435.46 and 89,279.16

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Solution

The fourth proportional to 201,631.80, 302,435.46 and 89,279.16 is: 133,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,631.80 : 302,435.46 = 89,279.16 : x
  2. Step 2: Convert to fraction form
    201,631.80/302,435.46 = 89,279.16/x
  3. Step 3: Cross multiply
    201,631.80x = 302,435.46 × 89,279.16
  4. Step 4: Simplify right side
    201,631.80x = 27,001,183,823.01
  5. Step 5: Solve for x
    x = 27,001,183,823.01/201,631.80
  6. Step 6: Final answer
    x = 133,913.32

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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.