Home / 251,275.75-346,760.54-138,098.50

Finding the Fourth Proportional to 251,275.75, 346,760.54 and 138,098.50

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Solution

The fourth proportional to 251,275.75, 346,760.54 and 138,098.50 is: 190,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,275.75 : 346,760.54 = 138,098.50 : x
  2. Step 2: Convert to fraction form
    251,275.75/346,760.54 = 138,098.50/x
  3. Step 3: Cross multiply
    251,275.75x = 346,760.54 × 138,098.50
  4. Step 4: Simplify right side
    251,275.75x = 47,887,110,433.19
  5. Step 5: Solve for x
    x = 47,887,110,433.19/251,275.75
  6. Step 6: Final answer
    x = 190,575.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.