Home / 251,368.73-376,840.67-109,106.40

Finding the Fourth Proportional to 251,368.73, 376,840.67 and 109,106.40

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Solution

The fourth proportional to 251,368.73, 376,840.67 and 109,106.40 is: 163,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,368.73 : 376,840.67 = 109,106.40 : x
  2. Step 2: Convert to fraction form
    251,368.73/376,840.67 = 109,106.40/x
  3. Step 3: Cross multiply
    251,368.73x = 376,840.67 × 109,106.40
  4. Step 4: Simplify right side
    251,368.73x = 41,115,728,331.76
  5. Step 5: Solve for x
    x = 41,115,728,331.76/251,368.73
  6. Step 6: Final answer
    x = 163,567.40

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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.