Home / 156,636.32-216,059.78-92,929

Finding the Fourth Proportional to 156,636.32, 216,059.78 and 92,929

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Solution

The fourth proportional to 156,636.32, 216,059.78 and 92,929 is: 128,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.32 : 216,059.78 = 92,929 : x
  2. Step 2: Convert to fraction form
    156,636.32/216,059.78 = 92,929/x
  3. Step 3: Cross multiply
    156,636.32x = 216,059.78 × 92,929
  4. Step 4: Simplify right side
    156,636.32x = 20,078,219,295.62
  5. Step 5: Solve for x
    x = 20,078,219,295.62/156,636.32
  6. Step 6: Final answer
    x = 128,183.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.