Home / 93,108.42-139,684.41-30,778.92

Finding the Fourth Proportional to 93,108.42, 139,684.41 and 30,778.92

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Solution

The fourth proportional to 93,108.42, 139,684.41 and 30,778.92 is: 46,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,108.42 : 139,684.41 = 30,778.92 : x
  2. Step 2: Convert to fraction form
    93,108.42/139,684.41 = 30,778.92/x
  3. Step 3: Cross multiply
    93,108.42x = 139,684.41 × 30,778.92
  4. Step 4: Simplify right side
    93,108.42x = 4,299,335,280.64
  5. Step 5: Solve for x
    x = 4,299,335,280.64/93,108.42
  6. Step 6: Final answer
    x = 46,175.58

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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.