Home / 93,286.20-139,928.64-26,726.40

Finding the Fourth Proportional to 93,286.20, 139,928.64 and 26,726.40

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Solution

The fourth proportional to 93,286.20, 139,928.64 and 26,726.40 is: 40,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286.20 : 139,928.64 = 26,726.40 : x
  2. Step 2: Convert to fraction form
    93,286.20/139,928.64 = 26,726.40/x
  3. Step 3: Cross multiply
    93,286.20x = 139,928.64 × 26,726.40
  4. Step 4: Simplify right side
    93,286.20x = 3,739,788,804.10
  5. Step 5: Solve for x
    x = 3,739,788,804.10/93,286.20
  6. Step 6: Final answer
    x = 40,089.41

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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.