Home / 148,928.55-205,551.31-88,487.58

Finding the Fourth Proportional to 148,928.55, 205,551.31 and 88,487.58

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Solution

The fourth proportional to 148,928.55, 205,551.31 and 88,487.58 is: 122,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,928.55 : 205,551.31 = 88,487.58 : x
  2. Step 2: Convert to fraction form
    148,928.55/205,551.31 = 88,487.58/x
  3. Step 3: Cross multiply
    148,928.55x = 205,551.31 × 88,487.58
  4. Step 4: Simplify right side
    148,928.55x = 18,188,737,133.52
  5. Step 5: Solve for x
    x = 18,188,737,133.52/148,928.55
  6. Step 6: Final answer
    x = 122,130.63

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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.