Home / 156,444.51-215,893.89-84,824.55

Finding the Fourth Proportional to 156,444.51, 215,893.89 and 84,824.55

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Solution

The fourth proportional to 156,444.51, 215,893.89 and 84,824.55 is: 117,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,444.51 : 215,893.89 = 84,824.55 : x
  2. Step 2: Convert to fraction form
    156,444.51/215,893.89 = 84,824.55/x
  3. Step 3: Cross multiply
    156,444.51x = 215,893.89 × 84,824.55
  4. Step 4: Simplify right side
    156,444.51x = 18,313,102,067.00
  5. Step 5: Solve for x
    x = 18,313,102,067.00/156,444.51
  6. Step 6: Final answer
    x = 117,058.13

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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.