Home / 148,134.09-204,424.16-84,470.52

Finding the Fourth Proportional to 148,134.09, 204,424.16 and 84,470.52

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Solution

The fourth proportional to 148,134.09, 204,424.16 and 84,470.52 is: 116,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,134.09 : 204,424.16 = 84,470.52 : x
  2. Step 2: Convert to fraction form
    148,134.09/204,424.16 = 84,470.52/x
  3. Step 3: Cross multiply
    148,134.09x = 204,424.16 × 84,470.52
  4. Step 4: Simplify right side
    148,134.09x = 17,267,815,095.76
  5. Step 5: Solve for x
    x = 17,267,815,095.76/148,134.09
  6. Step 6: Final answer
    x = 116,568.81

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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.