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Finding the Fourth Proportional to 93,150.85, 139,632.84 and 43,265.98

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Solution

The fourth proportional to 93,150.85, 139,632.84 and 43,265.98 is: 64,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,150.85 : 139,632.84 = 43,265.98 : x
  2. Step 2: Convert to fraction form
    93,150.85/139,632.84 = 43,265.98/x
  3. Step 3: Cross multiply
    93,150.85x = 139,632.84 × 43,265.98
  4. Step 4: Simplify right side
    93,150.85x = 6,041,351,475.95
  5. Step 5: Solve for x
    x = 6,041,351,475.95/93,150.85
  6. Step 6: Final answer
    x = 64,855.57

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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.