Home / 181,904.12-251,011.40-101,329.91

Finding the Fourth Proportional to 181,904.12, 251,011.40 and 101,329.91

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Solution

The fourth proportional to 181,904.12, 251,011.40 and 101,329.91 is: 139,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,904.12 : 251,011.40 = 101,329.91 : x
  2. Step 2: Convert to fraction form
    181,904.12/251,011.40 = 101,329.91/x
  3. Step 3: Cross multiply
    181,904.12x = 251,011.40 × 101,329.91
  4. Step 4: Simplify right side
    181,904.12x = 25,434,962,691.85
  5. Step 5: Solve for x
    x = 25,434,962,691.85/181,904.12
  6. Step 6: Final answer
    x = 139,826.21

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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.