Home / 135,668.10-187,442.98-112,934.10

Finding the Fourth Proportional to 135,668.10, 187,442.98 and 112,934.10

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Solution

The fourth proportional to 135,668.10, 187,442.98 and 112,934.10 is: 156,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,668.10 : 187,442.98 = 112,934.10 : x
  2. Step 2: Convert to fraction form
    135,668.10/187,442.98 = 112,934.10/x
  3. Step 3: Cross multiply
    135,668.10x = 187,442.98 × 112,934.10
  4. Step 4: Simplify right side
    135,668.10x = 21,168,704,247.62
  5. Step 5: Solve for x
    x = 21,168,704,247.62/135,668.10
  6. Step 6: Final answer
    x = 156,033.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.