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Finding the Fourth Proportional to 93,119.67, 139,679.55 and 22,999.05

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Solution

The fourth proportional to 93,119.67, 139,679.55 and 22,999.05 is: 34,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,119.67 : 139,679.55 = 22,999.05 : x
  2. Step 2: Convert to fraction form
    93,119.67/139,679.55 = 22,999.05/x
  3. Step 3: Cross multiply
    93,119.67x = 139,679.55 × 22,999.05
  4. Step 4: Simplify right side
    93,119.67x = 3,212,496,954.43
  5. Step 5: Solve for x
    x = 3,212,496,954.43/93,119.67
  6. Step 6: Final answer
    x = 34,498.59

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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.