Home / 211,197.73-291,463.37-130,667.17

Finding the Fourth Proportional to 211,197.73, 291,463.37 and 130,667.17

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Solution

The fourth proportional to 211,197.73, 291,463.37 and 130,667.17 is: 180,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,197.73 : 291,463.37 = 130,667.17 : x
  2. Step 2: Convert to fraction form
    211,197.73/291,463.37 = 130,667.17/x
  3. Step 3: Cross multiply
    211,197.73x = 291,463.37 × 130,667.17
  4. Step 4: Simplify right side
    211,197.73x = 38,084,693,716.56
  5. Step 5: Solve for x
    x = 38,084,693,716.56/211,197.73
  6. Step 6: Final answer
    x = 180,327.19

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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.