Home / 93,402.30-140,103.45-31,072.80

Finding the Fourth Proportional to 93,402.30, 140,103.45 and 31,072.80

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Solution

The fourth proportional to 93,402.30, 140,103.45 and 31,072.80 is: 46,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,402.30 : 140,103.45 = 31,072.80 : x
  2. Step 2: Convert to fraction form
    93,402.30/140,103.45 = 31,072.80/x
  3. Step 3: Cross multiply
    93,402.30x = 140,103.45 × 31,072.80
  4. Step 4: Simplify right side
    93,402.30x = 4,353,406,481.16
  5. Step 5: Solve for x
    x = 4,353,406,481.16/93,402.30
  6. Step 6: Final answer
    x = 46,609.20

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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.