Home / 156,288.58-215,677.98-84,670.42

Finding the Fourth Proportional to 156,288.58, 215,677.98 and 84,670.42

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Solution

The fourth proportional to 156,288.58, 215,677.98 and 84,670.42 is: 116,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288.58 : 215,677.98 = 84,670.42 : x
  2. Step 2: Convert to fraction form
    156,288.58/215,677.98 = 84,670.42/x
  3. Step 3: Cross multiply
    156,288.58x = 215,677.98 × 84,670.42
  4. Step 4: Simplify right side
    156,288.58x = 18,261,545,151.35
  5. Step 5: Solve for x
    x = 18,261,545,151.35/156,288.58
  6. Step 6: Final answer
    x = 116,845.04

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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.