Home / 138,937.03-191,627.30-119,588.87

Finding the Fourth Proportional to 138,937.03, 191,627.30 and 119,588.87

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Solution

The fourth proportional to 138,937.03, 191,627.30 and 119,588.87 is: 164,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,937.03 : 191,627.30 = 119,588.87 : x
  2. Step 2: Convert to fraction form
    138,937.03/191,627.30 = 119,588.87/x
  3. Step 3: Cross multiply
    138,937.03x = 191,627.30 × 119,588.87
  4. Step 4: Simplify right side
    138,937.03x = 22,916,491,608.99
  5. Step 5: Solve for x
    x = 22,916,491,608.99/138,937.03
  6. Step 6: Final answer
    x = 164,941.57

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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.