Home / 211,504.48-291,817.02-136,096.72

Finding the Fourth Proportional to 211,504.48, 291,817.02 and 136,096.72

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Solution

The fourth proportional to 211,504.48, 291,817.02 and 136,096.72 is: 187,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,504.48 : 291,817.02 = 136,096.72 : x
  2. Step 2: Convert to fraction form
    211,504.48/291,817.02 = 136,096.72/x
  3. Step 3: Cross multiply
    211,504.48x = 291,817.02 × 136,096.72
  4. Step 4: Simplify right side
    211,504.48x = 39,715,339,262.17
  5. Step 5: Solve for x
    x = 39,715,339,262.17/211,504.48
  6. Step 6: Final answer
    x = 187,775.40

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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.