Home / 113,568.28-170,243.98-42,471.64

Finding the Fourth Proportional to 113,568.28, 170,243.98 and 42,471.64

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Solution

The fourth proportional to 113,568.28, 170,243.98 and 42,471.64 is: 63,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,568.28 : 170,243.98 = 42,471.64 : x
  2. Step 2: Convert to fraction form
    113,568.28/170,243.98 = 42,471.64/x
  3. Step 3: Cross multiply
    113,568.28x = 170,243.98 × 42,471.64
  4. Step 4: Simplify right side
    113,568.28x = 7,230,541,137.35
  5. Step 5: Solve for x
    x = 7,230,541,137.35/113,568.28
  6. Step 6: Final answer
    x = 63,666.91

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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.