Home / 148,938.56-205,634.20-114,421.82

Finding the Fourth Proportional to 148,938.56, 205,634.20 and 114,421.82

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Solution

The fourth proportional to 148,938.56, 205,634.20 and 114,421.82 is: 157,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,938.56 : 205,634.20 = 114,421.82 : x
  2. Step 2: Convert to fraction form
    148,938.56/205,634.20 = 114,421.82/x
  3. Step 3: Cross multiply
    148,938.56x = 205,634.20 × 114,421.82
  4. Step 4: Simplify right side
    148,938.56x = 23,529,039,646.27
  5. Step 5: Solve for x
    x = 23,529,039,646.27/148,938.56
  6. Step 6: Final answer
    x = 157,978.16

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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.