Home / 117,165.92-175,712.56-42,276.36

Finding the Fourth Proportional to 117,165.92, 175,712.56 and 42,276.36

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Solution

The fourth proportional to 117,165.92, 175,712.56 and 42,276.36 is: 63,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,165.92 : 175,712.56 = 42,276.36 : x
  2. Step 2: Convert to fraction form
    117,165.92/175,712.56 = 42,276.36/x
  3. Step 3: Cross multiply
    117,165.92x = 175,712.56 × 42,276.36
  4. Step 4: Simplify right side
    117,165.92x = 7,428,487,443.08
  5. Step 5: Solve for x
    x = 7,428,487,443.08/117,165.92
  6. Step 6: Final answer
    x = 63,401.43

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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.