Home / 251,056.70-376,585.05-84,842.30

Finding the Fourth Proportional to 251,056.70, 376,585.05 and 84,842.30

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Solution

The fourth proportional to 251,056.70, 376,585.05 and 84,842.30 is: 127,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,056.70 : 376,585.05 = 84,842.30 : x
  2. Step 2: Convert to fraction form
    251,056.70/376,585.05 = 84,842.30/x
  3. Step 3: Cross multiply
    251,056.70x = 376,585.05 × 84,842.30
  4. Step 4: Simplify right side
    251,056.70x = 31,950,341,787.62
  5. Step 5: Solve for x
    x = 31,950,341,787.62/251,056.70
  6. Step 6: Final answer
    x = 127,263.45

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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.