Home / 148,817.76-205,310.63-84,272.18

Finding the Fourth Proportional to 148,817.76, 205,310.63 and 84,272.18

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Solution

The fourth proportional to 148,817.76, 205,310.63 and 84,272.18 is: 116,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,817.76 : 205,310.63 = 84,272.18 : x
  2. Step 2: Convert to fraction form
    148,817.76/205,310.63 = 84,272.18/x
  3. Step 3: Cross multiply
    148,817.76x = 205,310.63 × 84,272.18
  4. Step 4: Simplify right side
    148,817.76x = 17,301,972,919.36
  5. Step 5: Solve for x
    x = 17,301,972,919.36/148,817.76
  6. Step 6: Final answer
    x = 116,262.82

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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.