Home / 211,158.12-291,403.83-119,270.10

Finding the Fourth Proportional to 211,158.12, 291,403.83 and 119,270.10

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Solution

The fourth proportional to 211,158.12, 291,403.83 and 119,270.10 is: 164,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,158.12 : 291,403.83 = 119,270.10 : x
  2. Step 2: Convert to fraction form
    211,158.12/291,403.83 = 119,270.10/x
  3. Step 3: Cross multiply
    211,158.12x = 291,403.83 × 119,270.10
  4. Step 4: Simplify right side
    211,158.12x = 34,755,764,813.62
  5. Step 5: Solve for x
    x = 34,755,764,813.62/211,158.12
  6. Step 6: Final answer
    x = 164,595.92

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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.