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Finding the Fourth Proportional to 93,231.90, 139,763.88 and 34,026.03

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Solution

The fourth proportional to 93,231.90, 139,763.88 and 34,026.03 is: 51,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,231.90 : 139,763.88 = 34,026.03 : x
  2. Step 2: Convert to fraction form
    93,231.90/139,763.88 = 34,026.03/x
  3. Step 3: Cross multiply
    93,231.90x = 139,763.88 × 34,026.03
  4. Step 4: Simplify right side
    93,231.90x = 4,755,609,973.80
  5. Step 5: Solve for x
    x = 4,755,609,973.80/93,231.90
  6. Step 6: Final answer
    x = 51,008.40

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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.