Home / 144,934.70-217,412.85-51,428.30

Finding the Fourth Proportional to 144,934.70, 217,412.85 and 51,428.30

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Solution

The fourth proportional to 144,934.70, 217,412.85 and 51,428.30 is: 77,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,934.70 : 217,412.85 = 51,428.30 : x
  2. Step 2: Convert to fraction form
    144,934.70/217,412.85 = 51,428.30/x
  3. Step 3: Cross multiply
    144,934.70x = 217,412.85 × 51,428.30
  4. Step 4: Simplify right side
    144,934.70x = 11,181,173,273.66
  5. Step 5: Solve for x
    x = 11,181,173,273.66/144,934.70
  6. Step 6: Final answer
    x = 77,146.28

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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.