Home / 181,628.51-250,643.44-105,150.84

Finding the Fourth Proportional to 181,628.51, 250,643.44 and 105,150.84

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Solution

The fourth proportional to 181,628.51, 250,643.44 and 105,150.84 is: 145,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,628.51 : 250,643.44 = 105,150.84 : x
  2. Step 2: Convert to fraction form
    181,628.51/250,643.44 = 105,150.84/x
  3. Step 3: Cross multiply
    181,628.51x = 250,643.44 × 105,150.84
  4. Step 4: Simplify right side
    181,628.51x = 26,355,367,993.61
  5. Step 5: Solve for x
    x = 26,355,367,993.61/181,628.51
  6. Step 6: Final answer
    x = 145,105.90

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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.