Home / 181,228.87-250,088.93-100,661.56

Finding the Fourth Proportional to 181,228.87, 250,088.93 and 100,661.56

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Solution

The fourth proportional to 181,228.87, 250,088.93 and 100,661.56 is: 138,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,228.87 : 250,088.93 = 100,661.56 : x
  2. Step 2: Convert to fraction form
    181,228.87/250,088.93 = 100,661.56/x
  3. Step 3: Cross multiply
    181,228.87x = 250,088.93 × 100,661.56
  4. Step 4: Simplify right side
    181,228.87x = 25,174,342,205.12
  5. Step 5: Solve for x
    x = 25,174,342,205.12/181,228.87
  6. Step 6: Final answer
    x = 138,909.12

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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.