Home / 211,500.08-291,878.28-116,010.80

Finding the Fourth Proportional to 211,500.08, 291,878.28 and 116,010.80

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Solution

The fourth proportional to 211,500.08, 291,878.28 and 116,010.80 is: 160,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,500.08 : 291,878.28 = 116,010.80 : x
  2. Step 2: Convert to fraction form
    211,500.08/291,878.28 = 116,010.80/x
  3. Step 3: Cross multiply
    211,500.08x = 291,878.28 × 116,010.80
  4. Step 4: Simplify right side
    211,500.08x = 33,861,032,765.42
  5. Step 5: Solve for x
    x = 33,861,032,765.42/211,500.08
  6. Step 6: Final answer
    x = 160,099.39

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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.