Home / 102,977.04-154,553.04-40,691.28

Finding the Fourth Proportional to 102,977.04, 154,553.04 and 40,691.28

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Solution

The fourth proportional to 102,977.04, 154,553.04 and 40,691.28 is: 61,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,977.04 : 154,553.04 = 40,691.28 : x
  2. Step 2: Convert to fraction form
    102,977.04/154,553.04 = 40,691.28/x
  3. Step 3: Cross multiply
    102,977.04x = 154,553.04 × 40,691.28
  4. Step 4: Simplify right side
    102,977.04x = 6,288,961,025.49
  5. Step 5: Solve for x
    x = 6,288,961,025.49/102,977.04
  6. Step 6: Final answer
    x = 61,071.49

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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.