Home / 155,708.92-214,878.31-84,088.94

Finding the Fourth Proportional to 155,708.92, 214,878.31 and 84,088.94

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Solution

The fourth proportional to 155,708.92, 214,878.31 and 84,088.94 is: 116,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,708.92 : 214,878.31 = 84,088.94 : x
  2. Step 2: Convert to fraction form
    155,708.92/214,878.31 = 84,088.94/x
  3. Step 3: Cross multiply
    155,708.92x = 214,878.31 × 84,088.94
  4. Step 4: Simplify right side
    155,708.92x = 18,068,887,822.06
  5. Step 5: Solve for x
    x = 18,068,887,822.06/155,708.92
  6. Step 6: Final answer
    x = 116,042.73

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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.