Home / 165,355.29-247,894.02-76,672.44

Finding the Fourth Proportional to 165,355.29, 247,894.02 and 76,672.44

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Solution

The fourth proportional to 165,355.29, 247,894.02 and 76,672.44 is: 114,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,355.29 : 247,894.02 = 76,672.44 : x
  2. Step 2: Convert to fraction form
    165,355.29/247,894.02 = 76,672.44/x
  3. Step 3: Cross multiply
    165,355.29x = 247,894.02 × 76,672.44
  4. Step 4: Simplify right side
    165,355.29x = 19,006,639,374.81
  5. Step 5: Solve for x
    x = 19,006,639,374.81/165,355.29
  6. Step 6: Final answer
    x = 114,944.25

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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.