Home / 211,320.33-291,651.94-130,773.81

Finding the Fourth Proportional to 211,320.33, 291,651.94 and 130,773.81

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Solution

The fourth proportional to 211,320.33, 291,651.94 and 130,773.81 is: 180,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320.33 : 291,651.94 = 130,773.81 : x
  2. Step 2: Convert to fraction form
    211,320.33/291,651.94 = 130,773.81/x
  3. Step 3: Cross multiply
    211,320.33x = 291,651.94 × 130,773.81
  4. Step 4: Simplify right side
    211,320.33x = 38,140,435,387.69
  5. Step 5: Solve for x
    x = 38,140,435,387.69/211,320.33
  6. Step 6: Final answer
    x = 180,486.35

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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.