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Finding the Fourth Proportional to 93,144.64, 139,737.56 and 33,980.11

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Solution

The fourth proportional to 93,144.64, 139,737.56 and 33,980.11 is: 50,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.64 : 139,737.56 = 33,980.11 : x
  2. Step 2: Convert to fraction form
    93,144.64/139,737.56 = 33,980.11/x
  3. Step 3: Cross multiply
    93,144.64x = 139,737.56 × 33,980.11
  4. Step 4: Simplify right side
    93,144.64x = 4,748,297,659.93
  5. Step 5: Solve for x
    x = 4,748,297,659.93/93,144.64
  6. Step 6: Final answer
    x = 50,977.68

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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.