Home / 165,056.65-247,676.96-89,153.66

Finding the Fourth Proportional to 165,056.65, 247,676.96 and 89,153.66

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Solution

The fourth proportional to 165,056.65, 247,676.96 and 89,153.66 is: 133,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,056.65 : 247,676.96 = 89,153.66 : x
  2. Step 2: Convert to fraction form
    165,056.65/247,676.96 = 89,153.66/x
  3. Step 3: Cross multiply
    165,056.65x = 247,676.96 × 89,153.66
  4. Step 4: Simplify right side
    165,056.65x = 22,081,306,243.29
  5. Step 5: Solve for x
    x = 22,081,306,243.29/165,056.65
  6. Step 6: Final answer
    x = 133,780.17

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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.