Home / 185,072.10-255,399.18-100,189.14

Finding the Fourth Proportional to 185,072.10, 255,399.18 and 100,189.14

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Solution

The fourth proportional to 185,072.10, 255,399.18 and 100,189.14 is: 138,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,072.10 : 255,399.18 = 100,189.14 : x
  2. Step 2: Convert to fraction form
    185,072.10/255,399.18 = 100,189.14/x
  3. Step 3: Cross multiply
    185,072.10x = 255,399.18 × 100,189.14
  4. Step 4: Simplify right side
    185,072.10x = 25,588,224,200.91
  5. Step 5: Solve for x
    x = 25,588,224,200.91/185,072.10
  6. Step 6: Final answer
    x = 138,260.84

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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.