Home / 141,814.40-212,661.45-53,005.79

Finding the Fourth Proportional to 141,814.40, 212,661.45 and 53,005.79

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Solution

The fourth proportional to 141,814.40, 212,661.45 and 53,005.79 is: 79,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,814.40 : 212,661.45 = 53,005.79 : x
  2. Step 2: Convert to fraction form
    141,814.40/212,661.45 = 53,005.79/x
  3. Step 3: Cross multiply
    141,814.40x = 212,661.45 × 53,005.79
  4. Step 4: Simplify right side
    141,814.40x = 11,272,288,691.45
  5. Step 5: Solve for x
    x = 11,272,288,691.45/141,814.40
  6. Step 6: Final answer
    x = 79,486.21

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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.