Home / 141,421.59-212,076.79-51,442.94

Finding the Fourth Proportional to 141,421.59, 212,076.79 and 51,442.94

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Solution

The fourth proportional to 141,421.59, 212,076.79 and 51,442.94 is: 77,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,421.59 : 212,076.79 = 51,442.94 : x
  2. Step 2: Convert to fraction form
    141,421.59/212,076.79 = 51,442.94/x
  3. Step 3: Cross multiply
    141,421.59x = 212,076.79 × 51,442.94
  4. Step 4: Simplify right side
    141,421.59x = 10,909,853,984.95
  5. Step 5: Solve for x
    x = 10,909,853,984.95/141,421.59
  6. Step 6: Final answer
    x = 77,144.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.