Home / 251,131.10-376,533.08-91,176.96

Finding the Fourth Proportional to 251,131.10, 376,533.08 and 91,176.96

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Solution

The fourth proportional to 251,131.10, 376,533.08 and 91,176.96 is: 136,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,131.10 : 376,533.08 = 91,176.96 : x
  2. Step 2: Convert to fraction form
    251,131.10/376,533.08 = 91,176.96/x
  3. Step 3: Cross multiply
    251,131.10x = 376,533.08 × 91,176.96
  4. Step 4: Simplify right side
    251,131.10x = 34,331,141,117.95
  5. Step 5: Solve for x
    x = 34,331,141,117.95/251,131.10
  6. Step 6: Final answer
    x = 136,706.05

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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.