Home / 149,376.88-224,556.96-138,419.76

Finding the Fourth Proportional to 149,376.88, 224,556.96 and 138,419.76

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Solution

The fourth proportional to 149,376.88, 224,556.96 and 138,419.76 is: 208,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,376.88 : 224,556.96 = 138,419.76 : x
  2. Step 2: Convert to fraction form
    149,376.88/224,556.96 = 138,419.76/x
  3. Step 3: Cross multiply
    149,376.88x = 224,556.96 × 138,419.76
  4. Step 4: Simplify right side
    149,376.88x = 31,083,120,509.53
  5. Step 5: Solve for x
    x = 31,083,120,509.53/149,376.88
  6. Step 6: Final answer
    x = 208,085.22

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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.