Home / 113,815.36-170,807.12-54,685.28

Finding the Fourth Proportional to 113,815.36, 170,807.12 and 54,685.28

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Solution

The fourth proportional to 113,815.36, 170,807.12 and 54,685.28 is: 82,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815.36 : 170,807.12 = 54,685.28 : x
  2. Step 2: Convert to fraction form
    113,815.36/170,807.12 = 54,685.28/x
  3. Step 3: Cross multiply
    113,815.36x = 170,807.12 × 54,685.28
  4. Step 4: Simplify right side
    113,815.36x = 9,340,635,183.19
  5. Step 5: Solve for x
    x = 9,340,635,183.19/113,815.36
  6. Step 6: Final answer
    x = 82,068.32

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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.