Home / 93,307.60-139,961.39-30,978.10

Finding the Fourth Proportional to 93,307.60, 139,961.39 and 30,978.10

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Solution

The fourth proportional to 93,307.60, 139,961.39 and 30,978.10 is: 46,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,307.60 : 139,961.39 = 30,978.10 : x
  2. Step 2: Convert to fraction form
    93,307.60/139,961.39 = 30,978.10/x
  3. Step 3: Cross multiply
    93,307.60x = 139,961.39 × 30,978.10
  4. Step 4: Simplify right side
    93,307.60x = 4,335,737,935.56
  5. Step 5: Solve for x
    x = 4,335,737,935.56/93,307.60
  6. Step 6: Final answer
    x = 46,467.15

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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.