Home / 137,080.64-205,618.80-43,585.04

Finding the Fourth Proportional to 137,080.64, 205,618.80 and 43,585.04

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Solution

The fourth proportional to 137,080.64, 205,618.80 and 43,585.04 is: 65,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,080.64 : 205,618.80 = 43,585.04 : x
  2. Step 2: Convert to fraction form
    137,080.64/205,618.80 = 43,585.04/x
  3. Step 3: Cross multiply
    137,080.64x = 205,618.80 × 43,585.04
  4. Step 4: Simplify right side
    137,080.64x = 8,961,903,622.75
  5. Step 5: Solve for x
    x = 8,961,903,622.75/137,080.64
  6. Step 6: Final answer
    x = 65,376.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.