Home / 211,548.97-291,887.50-119,670.36

Finding the Fourth Proportional to 211,548.97, 291,887.50 and 119,670.36

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Solution

The fourth proportional to 211,548.97, 291,887.50 and 119,670.36 is: 165,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,548.97 : 291,887.50 = 119,670.36 : x
  2. Step 2: Convert to fraction form
    211,548.97/291,887.50 = 119,670.36/x
  3. Step 3: Cross multiply
    211,548.97x = 291,887.50 × 119,670.36
  4. Step 4: Simplify right side
    211,548.97x = 34,930,282,677.00
  5. Step 5: Solve for x
    x = 34,930,282,677.00/211,548.97
  6. Step 6: Final answer
    x = 165,116.77

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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.