Home / 156,523.86-215,664.93-106,135.38

Finding the Fourth Proportional to 156,523.86, 215,664.93 and 106,135.38

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Solution

The fourth proportional to 156,523.86, 215,664.93 and 106,135.38 is: 146,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,523.86 : 215,664.93 = 106,135.38 : x
  2. Step 2: Convert to fraction form
    156,523.86/215,664.93 = 106,135.38/x
  3. Step 3: Cross multiply
    156,523.86x = 215,664.93 × 106,135.38
  4. Step 4: Simplify right side
    156,523.86x = 22,889,679,298.22
  5. Step 5: Solve for x
    x = 22,889,679,298.22/156,523.86
  6. Step 6: Final answer
    x = 146,237.64

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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.