Home / 93,402.20-140,103.30-31,072.70

Finding the Fourth Proportional to 93,402.20, 140,103.30 and 31,072.70

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Solution

The fourth proportional to 93,402.20, 140,103.30 and 31,072.70 is: 46,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,402.20 : 140,103.30 = 31,072.70 : x
  2. Step 2: Convert to fraction form
    93,402.20/140,103.30 = 31,072.70/x
  3. Step 3: Cross multiply
    93,402.20x = 140,103.30 × 31,072.70
  4. Step 4: Simplify right side
    93,402.20x = 4,353,387,809.91
  5. Step 5: Solve for x
    x = 4,353,387,809.91/93,402.20
  6. Step 6: Final answer
    x = 46,609.05

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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.