Home / 156,352.32-215,669.93-136,257.44

Finding the Fourth Proportional to 156,352.32, 215,669.93 and 136,257.44

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Solution

The fourth proportional to 156,352.32, 215,669.93 and 136,257.44 is: 187,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,352.32 : 215,669.93 = 136,257.44 : x
  2. Step 2: Convert to fraction form
    156,352.32/215,669.93 = 136,257.44/x
  3. Step 3: Cross multiply
    156,352.32x = 215,669.93 × 136,257.44
  4. Step 4: Simplify right side
    156,352.32x = 29,386,630,787.14
  5. Step 5: Solve for x
    x = 29,386,630,787.14/156,352.32
  6. Step 6: Final answer
    x = 187,951.36

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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.