Home / 165,036.57-247,515.03-76,204.68

Finding the Fourth Proportional to 165,036.57, 247,515.03 and 76,204.68

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Solution

The fourth proportional to 165,036.57, 247,515.03 and 76,204.68 is: 114,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,036.57 : 247,515.03 = 76,204.68 : x
  2. Step 2: Convert to fraction form
    165,036.57/247,515.03 = 76,204.68/x
  3. Step 3: Cross multiply
    165,036.57x = 247,515.03 × 76,204.68
  4. Step 4: Simplify right side
    165,036.57x = 18,861,803,656.34
  5. Step 5: Solve for x
    x = 18,861,803,656.34/165,036.57
  6. Step 6: Final answer
    x = 114,288.63

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1.5x scale

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.