Home / 211,180.32-291,429.36-115,688.88

Finding the Fourth Proportional to 211,180.32, 291,429.36 and 115,688.88

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Solution

The fourth proportional to 211,180.32, 291,429.36 and 115,688.88 is: 159,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,180.32 : 291,429.36 = 115,688.88 : x
  2. Step 2: Convert to fraction form
    211,180.32/291,429.36 = 115,688.88/x
  3. Step 3: Cross multiply
    211,180.32x = 291,429.36 × 115,688.88
  4. Step 4: Simplify right side
    211,180.32x = 33,715,136,257.52
  5. Step 5: Solve for x
    x = 33,715,136,257.52/211,180.32
  6. Step 6: Final answer
    x = 159,650.94

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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.