Home / 201,522.10-302,515.95-108,210.10

Finding the Fourth Proportional to 201,522.10, 302,515.95 and 108,210.10

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Solution

The fourth proportional to 201,522.10, 302,515.95 and 108,210.10 is: 162,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,522.10 : 302,515.95 = 108,210.10 : x
  2. Step 2: Convert to fraction form
    201,522.10/302,515.95 = 108,210.10/x
  3. Step 3: Cross multiply
    201,522.10x = 302,515.95 × 108,210.10
  4. Step 4: Simplify right side
    201,522.10x = 32,735,281,201.10
  5. Step 5: Solve for x
    x = 32,735,281,201.10/201,522.10
  6. Step 6: Final answer
    x = 162,440.16

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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.