Home / 152,620.74-228,963.87-51,428.79

Finding the Fourth Proportional to 152,620.74, 228,963.87 and 51,428.79

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Solution

The fourth proportional to 152,620.74, 228,963.87 and 51,428.79 is: 77,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,620.74 : 228,963.87 = 51,428.79 : x
  2. Step 2: Convert to fraction form
    152,620.74/228,963.87 = 51,428.79/x
  3. Step 3: Cross multiply
    152,620.74x = 228,963.87 × 51,428.79
  4. Step 4: Simplify right side
    152,620.74x = 11,775,334,787.82
  5. Step 5: Solve for x
    x = 11,775,334,787.82/152,620.74
  6. Step 6: Final answer
    x = 77,154.22

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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.