Home / 211,248.66-291,561.42-134,791.50

Finding the Fourth Proportional to 211,248.66, 291,561.42 and 134,791.50

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Solution

The fourth proportional to 211,248.66, 291,561.42 and 134,791.50 is: 186,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,248.66 : 291,561.42 = 134,791.50 : x
  2. Step 2: Convert to fraction form
    211,248.66/291,561.42 = 134,791.50/x
  3. Step 3: Cross multiply
    211,248.66x = 291,561.42 × 134,791.50
  4. Step 4: Simplify right side
    211,248.66x = 39,300,001,143.93
  5. Step 5: Solve for x
    x = 39,300,001,143.93/211,248.66
  6. Step 6: Final answer
    x = 186,036.69

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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.