Home / 181,400.86-250,332.96-100,825.84

Finding the Fourth Proportional to 181,400.86, 250,332.96 and 100,825.84

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Solution

The fourth proportional to 181,400.86, 250,332.96 and 100,825.84 is: 139,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,400.86 : 250,332.96 = 100,825.84 : x
  2. Step 2: Convert to fraction form
    181,400.86/250,332.96 = 100,825.84/x
  3. Step 3: Cross multiply
    181,400.86x = 250,332.96 × 100,825.84
  4. Step 4: Simplify right side
    181,400.86x = 25,240,030,971.69
  5. Step 5: Solve for x
    x = 25,240,030,971.69/181,400.86
  6. Step 6: Final answer
    x = 139,139.53

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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.