Home / 181,276.85-250,155.05-100,709.48

Finding the Fourth Proportional to 181,276.85, 250,155.05 and 100,709.48

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Solution

The fourth proportional to 181,276.85, 250,155.05 and 100,709.48 is: 138,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,276.85 : 250,155.05 = 100,709.48 : x
  2. Step 2: Convert to fraction form
    181,276.85/250,155.05 = 100,709.48/x
  3. Step 3: Cross multiply
    181,276.85x = 250,155.05 × 100,709.48
  4. Step 4: Simplify right side
    181,276.85x = 25,192,983,250.55
  5. Step 5: Solve for x
    x = 25,192,983,250.55/181,276.85
  6. Step 6: Final answer
    x = 138,975.19

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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.