Home / 156,068.82-215,373.42-84,447.24

Finding the Fourth Proportional to 156,068.82, 215,373.42 and 84,447.24

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Solution

The fourth proportional to 156,068.82, 215,373.42 and 84,447.24 is: 116,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,068.82 : 215,373.42 = 84,447.24 : x
  2. Step 2: Convert to fraction form
    156,068.82/215,373.42 = 84,447.24/x
  3. Step 3: Cross multiply
    156,068.82x = 215,373.42 × 84,447.24
  4. Step 4: Simplify right side
    156,068.82x = 18,187,690,888.36
  5. Step 5: Solve for x
    x = 18,187,690,888.36/156,068.82
  6. Step 6: Final answer
    x = 116,536.35

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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.