Home / 211,403.92-291,746.52-126,504.64

Finding the Fourth Proportional to 211,403.92, 291,746.52 and 126,504.64

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Solution

The fourth proportional to 211,403.92, 291,746.52 and 126,504.64 is: 174,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,403.92 : 291,746.52 = 126,504.64 : x
  2. Step 2: Convert to fraction form
    211,403.92/291,746.52 = 126,504.64/x
  3. Step 3: Cross multiply
    211,403.92x = 291,746.52 × 126,504.64
  4. Step 4: Simplify right side
    211,403.92x = 36,907,288,483.85
  5. Step 5: Solve for x
    x = 36,907,288,483.85/211,403.92
  6. Step 6: Final answer
    x = 174,581.85

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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.