Home / 205,162.92-283,172.06-120,307.32

Finding the Fourth Proportional to 205,162.92, 283,172.06 and 120,307.32

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Solution

The fourth proportional to 205,162.92, 283,172.06 and 120,307.32 is: 166,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,162.92 : 283,172.06 = 120,307.32 : x
  2. Step 2: Convert to fraction form
    205,162.92/283,172.06 = 120,307.32/x
  3. Step 3: Cross multiply
    205,162.92x = 283,172.06 × 120,307.32
  4. Step 4: Simplify right side
    205,162.92x = 34,067,671,938.25
  5. Step 5: Solve for x
    x = 34,067,671,938.25/205,162.92
  6. Step 6: Final answer
    x = 166,051.80

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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.