Home / 134,283.20-185,296.28-77,684

Finding the Fourth Proportional to 134,283.20, 185,296.28 and 77,684

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Solution

The fourth proportional to 134,283.20, 185,296.28 and 77,684 is: 107,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,283.20 : 185,296.28 = 77,684 : x
  2. Step 2: Convert to fraction form
    134,283.20/185,296.28 = 77,684/x
  3. Step 3: Cross multiply
    134,283.20x = 185,296.28 × 77,684
  4. Step 4: Simplify right side
    134,283.20x = 14,394,556,215.52
  5. Step 5: Solve for x
    x = 14,394,556,215.52/134,283.20
  6. Step 6: Final answer
    x = 107,195.51

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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.