Home / 134,405.90-185,482.68-73,976.12

Finding the Fourth Proportional to 134,405.90, 185,482.68 and 73,976.12

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Solution

The fourth proportional to 134,405.90, 185,482.68 and 73,976.12 is: 102,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,405.90 : 185,482.68 = 73,976.12 : x
  2. Step 2: Convert to fraction form
    134,405.90/185,482.68 = 73,976.12/x
  3. Step 3: Cross multiply
    134,405.90x = 185,482.68 × 73,976.12
  4. Step 4: Simplify right side
    134,405.90x = 13,721,288,993.60
  5. Step 5: Solve for x
    x = 13,721,288,993.60/134,405.90
  6. Step 6: Final answer
    x = 102,088.44

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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.