Home / 134,668.10-202,002.15-103,175.30

Finding the Fourth Proportional to 134,668.10, 202,002.15 and 103,175.30

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Solution

The fourth proportional to 134,668.10, 202,002.15 and 103,175.30 is: 154,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,668.10 : 202,002.15 = 103,175.30 : x
  2. Step 2: Convert to fraction form
    134,668.10/202,002.15 = 103,175.30/x
  3. Step 3: Cross multiply
    134,668.10x = 202,002.15 × 103,175.30
  4. Step 4: Simplify right side
    134,668.10x = 20,841,632,426.90
  5. Step 5: Solve for x
    x = 20,841,632,426.90/134,668.10
  6. Step 6: Final answer
    x = 154,762.95

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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.