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Finding the Fourth Proportional to 93,329.16, 139,905.02 and 59,500.20

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Solution

The fourth proportional to 93,329.16, 139,905.02 and 59,500.20 is: 89,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329.16 : 139,905.02 = 59,500.20 : x
  2. Step 2: Convert to fraction form
    93,329.16/139,905.02 = 59,500.20/x
  3. Step 3: Cross multiply
    93,329.16x = 139,905.02 × 59,500.20
  4. Step 4: Simplify right side
    93,329.16x = 8,324,376,671.00
  5. Step 5: Solve for x
    x = 8,324,376,671.00/93,329.16
  6. Step 6: Final answer
    x = 89,193.74

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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.