Home / 148,084.80-204,334.56-84,419.52

Finding the Fourth Proportional to 148,084.80, 204,334.56 and 84,419.52

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Solution

The fourth proportional to 148,084.80, 204,334.56 and 84,419.52 is: 116,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,084.80 : 204,334.56 = 84,419.52 : x
  2. Step 2: Convert to fraction form
    148,084.80/204,334.56 = 84,419.52/x
  3. Step 3: Cross multiply
    148,084.80x = 204,334.56 × 84,419.52
  4. Step 4: Simplify right side
    148,084.80x = 17,249,825,474.61
  5. Step 5: Solve for x
    x = 17,249,825,474.61/148,084.80
  6. Step 6: Final answer
    x = 116,486.13

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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.