Home / 134,405.22-185,477.78-73,974.57

Finding the Fourth Proportional to 134,405.22, 185,477.78 and 73,974.57

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Solution

The fourth proportional to 134,405.22, 185,477.78 and 73,974.57 is: 102,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,405.22 : 185,477.78 = 73,974.57 : x
  2. Step 2: Convert to fraction form
    134,405.22/185,477.78 = 73,974.57/x
  3. Step 3: Cross multiply
    134,405.22x = 185,477.78 × 73,974.57
  4. Step 4: Simplify right side
    134,405.22x = 13,720,638,509.45
  5. Step 5: Solve for x
    x = 13,720,638,509.45/134,405.22
  6. Step 6: Final answer
    x = 102,084.12

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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.