Home / 211,140.52-291,373.96-115,650.64

Finding the Fourth Proportional to 211,140.52, 291,373.96 and 115,650.64

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Solution

The fourth proportional to 211,140.52, 291,373.96 and 115,650.64 is: 159,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,140.52 : 291,373.96 = 115,650.64 : x
  2. Step 2: Convert to fraction form
    211,140.52/291,373.96 = 115,650.64/x
  3. Step 3: Cross multiply
    211,140.52x = 291,373.96 × 115,650.64
  4. Step 4: Simplify right side
    211,140.52x = 33,697,584,953.33
  5. Step 5: Solve for x
    x = 33,697,584,953.33/211,140.52
  6. Step 6: Final answer
    x = 159,597.91

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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.