Home / 148,984.42-205,569.09-83,575.42

Finding the Fourth Proportional to 148,984.42, 205,569.09 and 83,575.42

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Solution

The fourth proportional to 148,984.42, 205,569.09 and 83,575.42 is: 115,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,984.42 : 205,569.09 = 83,575.42 : x
  2. Step 2: Convert to fraction form
    148,984.42/205,569.09 = 83,575.42/x
  3. Step 3: Cross multiply
    148,984.42x = 205,569.09 × 83,575.42
  4. Step 4: Simplify right side
    148,984.42x = 17,180,523,035.77
  5. Step 5: Solve for x
    x = 17,180,523,035.77/148,984.42
  6. Step 6: Final answer
    x = 115,317.58

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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.