Home / 231,977.52-320,113.82-136,465.76

Finding the Fourth Proportional to 231,977.52, 320,113.82 and 136,465.76

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Solution

The fourth proportional to 231,977.52, 320,113.82 and 136,465.76 is: 188,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,977.52 : 320,113.82 = 136,465.76 : x
  2. Step 2: Convert to fraction form
    231,977.52/320,113.82 = 136,465.76/x
  3. Step 3: Cross multiply
    231,977.52x = 320,113.82 × 136,465.76
  4. Step 4: Simplify right side
    231,977.52x = 43,684,576,874.25
  5. Step 5: Solve for x
    x = 43,684,576,874.25/231,977.52
  6. Step 6: Final answer
    x = 188,313.84

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1.5x scale

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.