Home / 165,124.80-247,680.48-76,349.12

Finding the Fourth Proportional to 165,124.80, 247,680.48 and 76,349.12

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Solution

The fourth proportional to 165,124.80, 247,680.48 and 76,349.12 is: 114,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,124.80 : 247,680.48 = 76,349.12 : x
  2. Step 2: Convert to fraction form
    165,124.80/247,680.48 = 76,349.12/x
  3. Step 3: Cross multiply
    165,124.80x = 247,680.48 × 76,349.12
  4. Step 4: Simplify right side
    165,124.80x = 18,910,186,689.18
  5. Step 5: Solve for x
    x = 18,910,186,689.18/165,124.80
  6. Step 6: Final answer
    x = 114,520.57

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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.