Home / 211,320.27-291,651.87-130,773.74

Finding the Fourth Proportional to 211,320.27, 291,651.87 and 130,773.74

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Solution

The fourth proportional to 211,320.27, 291,651.87 and 130,773.74 is: 180,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320.27 : 291,651.87 = 130,773.74 : x
  2. Step 2: Convert to fraction form
    211,320.27/291,651.87 = 130,773.74/x
  3. Step 3: Cross multiply
    211,320.27x = 291,651.87 × 130,773.74
  4. Step 4: Simplify right side
    211,320.27x = 38,140,404,359.63
  5. Step 5: Solve for x
    x = 38,140,404,359.63/211,320.27
  6. Step 6: Final answer
    x = 180,486.26

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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.