Home / 251,111.92-346,534.68-137,941.96

Finding the Fourth Proportional to 251,111.92, 346,534.68 and 137,941.96

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Solution

The fourth proportional to 251,111.92, 346,534.68 and 137,941.96 is: 190,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,111.92 : 346,534.68 = 137,941.96 : x
  2. Step 2: Convert to fraction form
    251,111.92/346,534.68 = 137,941.96/x
  3. Step 3: Cross multiply
    251,111.92x = 346,534.68 × 137,941.96
  4. Step 4: Simplify right side
    251,111.92x = 47,801,672,967.17
  5. Step 5: Solve for x
    x = 47,801,672,967.17/251,111.92
  6. Step 6: Final answer
    x = 190,360.03

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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.