Home / 211,798.90-292,285.83-115,002.70

Finding the Fourth Proportional to 211,798.90, 292,285.83 and 115,002.70

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Solution

The fourth proportional to 211,798.90, 292,285.83 and 115,002.70 is: 158,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,798.90 : 292,285.83 = 115,002.70 : x
  2. Step 2: Convert to fraction form
    211,798.90/292,285.83 = 115,002.70/x
  3. Step 3: Cross multiply
    211,798.90x = 292,285.83 × 115,002.70
  4. Step 4: Simplify right side
    211,798.90x = 33,613,658,891.03
  5. Step 5: Solve for x
    x = 33,613,658,891.03/211,798.90
  6. Step 6: Final answer
    x = 158,705.54

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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.