Home / 181,320.14-250,141.29-120,831.86

Finding the Fourth Proportional to 181,320.14, 250,141.29 and 120,831.86

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Solution

The fourth proportional to 181,320.14, 250,141.29 and 120,831.86 is: 166,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,320.14 : 250,141.29 = 120,831.86 : x
  2. Step 2: Convert to fraction form
    181,320.14/250,141.29 = 120,831.86/x
  3. Step 3: Cross multiply
    181,320.14x = 250,141.29 × 120,831.86
  4. Step 4: Simplify right side
    181,320.14x = 30,225,037,333.50
  5. Step 5: Solve for x
    x = 30,225,037,333.50/181,320.14
  6. Step 6: Final answer
    x = 166,694.32

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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.