Home / 93,408.12-140,113.42-31,078.62

Finding the Fourth Proportional to 93,408.12, 140,113.42 and 31,078.62

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Solution

The fourth proportional to 93,408.12, 140,113.42 and 31,078.62 is: 46,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,408.12 : 140,113.42 = 31,078.62 : x
  2. Step 2: Convert to fraction form
    93,408.12/140,113.42 = 31,078.62/x
  3. Step 3: Cross multiply
    93,408.12x = 140,113.42 × 31,078.62
  4. Step 4: Simplify right side
    93,408.12x = 4,354,531,737.08
  5. Step 5: Solve for x
    x = 4,354,531,737.08/93,408.12
  6. Step 6: Final answer
    x = 46,618.34

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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.