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Finding the Fourth Proportional to 93,275.86, 139,941.03 and 30,094.58

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Solution

The fourth proportional to 93,275.86, 139,941.03 and 30,094.58 is: 45,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,275.86 : 139,941.03 = 30,094.58 : x
  2. Step 2: Convert to fraction form
    93,275.86/139,941.03 = 30,094.58/x
  3. Step 3: Cross multiply
    93,275.86x = 139,941.03 × 30,094.58
  4. Step 4: Simplify right side
    93,275.86x = 4,211,466,522.62
  5. Step 5: Solve for x
    x = 4,211,466,522.62/93,275.86
  6. Step 6: Final answer
    x = 45,150.66

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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.