Home / 93,288.40-139,932.60-92,705.20

Finding the Fourth Proportional to 93,288.40, 139,932.60 and 92,705.20

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Solution

The fourth proportional to 93,288.40, 139,932.60 and 92,705.20 is: 139,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288.40 : 139,932.60 = 92,705.20 : x
  2. Step 2: Convert to fraction form
    93,288.40/139,932.60 = 92,705.20/x
  3. Step 3: Cross multiply
    93,288.40x = 139,932.60 × 92,705.20
  4. Step 4: Simplify right side
    93,288.40x = 12,972,479,669.52
  5. Step 5: Solve for x
    x = 12,972,479,669.52/93,288.40
  6. Step 6: Final answer
    x = 139,057.80

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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.