Home / 155,864.86-215,093.47-84,244.86

Finding the Fourth Proportional to 155,864.86, 215,093.47 and 84,244.86

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Solution

The fourth proportional to 155,864.86, 215,093.47 and 84,244.86 is: 116,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,864.86 : 215,093.47 = 84,244.86 : x
  2. Step 2: Convert to fraction form
    155,864.86/215,093.47 = 84,244.86/x
  3. Step 3: Cross multiply
    155,864.86x = 215,093.47 × 84,244.86
  4. Step 4: Simplify right side
    155,864.86x = 18,120,518,308.11
  5. Step 5: Solve for x
    x = 18,120,518,308.11/155,864.86
  6. Step 6: Final answer
    x = 116,257.88

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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.