Home / 156,787.35-235,181.03-112,828.65

Finding the Fourth Proportional to 156,787.35, 235,181.03 and 112,828.65

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Solution

The fourth proportional to 156,787.35, 235,181.03 and 112,828.65 is: 169,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,787.35 : 235,181.03 = 112,828.65 : x
  2. Step 2: Convert to fraction form
    156,787.35/235,181.03 = 112,828.65/x
  3. Step 3: Cross multiply
    156,787.35x = 235,181.03 × 112,828.65
  4. Step 4: Simplify right side
    156,787.35x = 26,535,157,556.37
  5. Step 5: Solve for x
    x = 26,535,157,556.37/156,787.35
  6. Step 6: Final answer
    x = 169,242.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.