Home / 148,930.93-205,526.05-80,948.06

Finding the Fourth Proportional to 148,930.93, 205,526.05 and 80,948.06

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Solution

The fourth proportional to 148,930.93, 205,526.05 and 80,948.06 is: 111,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,930.93 : 205,526.05 = 80,948.06 : x
  2. Step 2: Convert to fraction form
    148,930.93/205,526.05 = 80,948.06/x
  3. Step 3: Cross multiply
    148,930.93x = 205,526.05 × 80,948.06
  4. Step 4: Simplify right side
    148,930.93x = 16,636,933,796.96
  5. Step 5: Solve for x
    x = 16,636,933,796.96/148,930.93
  6. Step 6: Final answer
    x = 111,709.06

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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.