Home / 134,409.71-185,483.97-73,979.06

Finding the Fourth Proportional to 134,409.71, 185,483.97 and 73,979.06

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Solution

The fourth proportional to 134,409.71, 185,483.97 and 73,979.06 is: 102,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,409.71 : 185,483.97 = 73,979.06 : x
  2. Step 2: Convert to fraction form
    134,409.71/185,483.97 = 73,979.06/x
  3. Step 3: Cross multiply
    134,409.71x = 185,483.97 × 73,979.06
  4. Step 4: Simplify right side
    134,409.71x = 13,721,929,745.67
  5. Step 5: Solve for x
    x = 13,721,929,745.67/134,409.71
  6. Step 6: Final answer
    x = 102,090.32

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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.