Home / 137,272.16-205,864.40-43,756

Finding the Fourth Proportional to 137,272.16, 205,864.40 and 43,756

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Solution

The fourth proportional to 137,272.16, 205,864.40 and 43,756 is: 65,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,272.16 : 205,864.40 = 43,756 : x
  2. Step 2: Convert to fraction form
    137,272.16/205,864.40 = 43,756/x
  3. Step 3: Cross multiply
    137,272.16x = 205,864.40 × 43,756
  4. Step 4: Simplify right side
    137,272.16x = 9,007,802,686.40
  5. Step 5: Solve for x
    x = 9,007,802,686.40/137,272.16
  6. Step 6: Final answer
    x = 65,620.03

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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.