Home / 251,376.64-346,890.90-138,198.52

Finding the Fourth Proportional to 251,376.64, 346,890.90 and 138,198.52

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Solution

The fourth proportional to 251,376.64, 346,890.90 and 138,198.52 is: 190,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,376.64 : 346,890.90 = 138,198.52 : x
  2. Step 2: Convert to fraction form
    251,376.64/346,890.90 = 138,198.52/x
  3. Step 3: Cross multiply
    251,376.64x = 346,890.90 × 138,198.52
  4. Step 4: Simplify right side
    251,376.64x = 47,939,808,981.47
  5. Step 5: Solve for x
    x = 47,939,808,981.47/251,376.64
  6. Step 6: Final answer
    x = 190,709.08

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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.