Home / 179,638.08-269,206.80-90,787.92

Finding the Fourth Proportional to 179,638.08, 269,206.80 and 90,787.92

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Solution

The fourth proportional to 179,638.08, 269,206.80 and 90,787.92 is: 136,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,638.08 : 269,206.80 = 90,787.92 : x
  2. Step 2: Convert to fraction form
    179,638.08/269,206.80 = 90,787.92/x
  3. Step 3: Cross multiply
    179,638.08x = 269,206.80 × 90,787.92
  4. Step 4: Simplify right side
    179,638.08x = 24,440,725,421.86
  5. Step 5: Solve for x
    x = 24,440,725,421.86/179,638.08
  6. Step 6: Final answer
    x = 136,055.37

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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.