Home / 181,265.69-250,139.71-100,698.29

Finding the Fourth Proportional to 181,265.69, 250,139.71 and 100,698.29

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Solution

The fourth proportional to 181,265.69, 250,139.71 and 100,698.29 is: 138,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,265.69 : 250,139.71 = 100,698.29 : x
  2. Step 2: Convert to fraction form
    181,265.69/250,139.71 = 100,698.29/x
  3. Step 3: Cross multiply
    181,265.69x = 250,139.71 × 100,698.29
  4. Step 4: Simplify right side
    181,265.69x = 25,188,639,366.84
  5. Step 5: Solve for x
    x = 25,188,639,366.84/181,265.69
  6. Step 6: Final answer
    x = 138,959.77

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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.