Home / 251,038.39-376,556.77-91,114.12

Finding the Fourth Proportional to 251,038.39, 376,556.77 and 91,114.12

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Solution

The fourth proportional to 251,038.39, 376,556.77 and 91,114.12 is: 136,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,038.39 : 376,556.77 = 91,114.12 : x
  2. Step 2: Convert to fraction form
    251,038.39/376,556.77 = 91,114.12/x
  3. Step 3: Cross multiply
    251,038.39x = 376,556.77 × 91,114.12
  4. Step 4: Simplify right side
    251,038.39x = 34,309,636,868.34
  5. Step 5: Solve for x
    x = 34,309,636,868.34/251,038.39
  6. Step 6: Final answer
    x = 136,670.87

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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.