Home / 165,228.29-247,509.80-76,359.41

Finding the Fourth Proportional to 165,228.29, 247,509.80 and 76,359.41

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Solution

The fourth proportional to 165,228.29, 247,509.80 and 76,359.41 is: 114,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,228.29 : 247,509.80 = 76,359.41 : x
  2. Step 2: Convert to fraction form
    165,228.29/247,509.80 = 76,359.41/x
  3. Step 3: Cross multiply
    165,228.29x = 247,509.80 × 76,359.41
  4. Step 4: Simplify right side
    165,228.29x = 18,899,701,915.42
  5. Step 5: Solve for x
    x = 18,899,701,915.42/165,228.29
  6. Step 6: Final answer
    x = 114,385.39

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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.