Home / 155,941.44-215,146.32-127,211.43

Finding the Fourth Proportional to 155,941.44, 215,146.32 and 127,211.43

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Solution

The fourth proportional to 155,941.44, 215,146.32 and 127,211.43 is: 175,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,941.44 : 215,146.32 = 127,211.43 : x
  2. Step 2: Convert to fraction form
    155,941.44/215,146.32 = 127,211.43/x
  3. Step 3: Cross multiply
    155,941.44x = 215,146.32 × 127,211.43
  4. Step 4: Simplify right side
    155,941.44x = 27,369,071,026.44
  5. Step 5: Solve for x
    x = 27,369,071,026.44/155,941.44
  6. Step 6: Final answer
    x = 175,508.65

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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.