Home / 180,819.91-249,358.37-108,210.45

Finding the Fourth Proportional to 180,819.91, 249,358.37 and 108,210.45

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Solution

The fourth proportional to 180,819.91, 249,358.37 and 108,210.45 is: 149,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,819.91 : 249,358.37 = 108,210.45 : x
  2. Step 2: Convert to fraction form
    180,819.91/249,358.37 = 108,210.45/x
  3. Step 3: Cross multiply
    180,819.91x = 249,358.37 × 108,210.45
  4. Step 4: Simplify right side
    180,819.91x = 26,983,181,333.39
  5. Step 5: Solve for x
    x = 26,983,181,333.39/180,819.91
  6. Step 6: Final answer
    x = 149,226.83

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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.