Home / 211,527.20-291,827.04-135,049.20

Finding the Fourth Proportional to 211,527.20, 291,827.04 and 135,049.20

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Solution

The fourth proportional to 211,527.20, 291,827.04 and 135,049.20 is: 186,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,527.20 : 291,827.04 = 135,049.20 : x
  2. Step 2: Convert to fraction form
    211,527.20/291,827.04 = 135,049.20/x
  3. Step 3: Cross multiply
    211,527.20x = 291,827.04 × 135,049.20
  4. Step 4: Simplify right side
    211,527.20x = 39,411,008,290.37
  5. Step 5: Solve for x
    x = 39,411,008,290.37/211,527.20
  6. Step 6: Final answer
    x = 186,316.50

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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.