Home / 205,068.60-282,941.22-120,140.04

Finding the Fourth Proportional to 205,068.60, 282,941.22 and 120,140.04

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Solution

The fourth proportional to 205,068.60, 282,941.22 and 120,140.04 is: 165,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,068.60 : 282,941.22 = 120,140.04 : x
  2. Step 2: Convert to fraction form
    205,068.60/282,941.22 = 120,140.04/x
  3. Step 3: Cross multiply
    205,068.60x = 282,941.22 × 120,140.04
  4. Step 4: Simplify right side
    205,068.60x = 33,992,569,488.45
  5. Step 5: Solve for x
    x = 33,992,569,488.45/205,068.60
  6. Step 6: Final answer
    x = 165,761.94

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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.