Home / 113,328.44-170,029.64-54,168.72

Finding the Fourth Proportional to 113,328.44, 170,029.64 and 54,168.72

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Solution

The fourth proportional to 113,328.44, 170,029.64 and 54,168.72 is: 81,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,328.44 : 170,029.64 = 54,168.72 : x
  2. Step 2: Convert to fraction form
    113,328.44/170,029.64 = 54,168.72/x
  3. Step 3: Cross multiply
    113,328.44x = 170,029.64 × 54,168.72
  4. Step 4: Simplify right side
    113,328.44x = 9,210,287,960.86
  5. Step 5: Solve for x
    x = 9,210,287,960.86/113,328.44
  6. Step 6: Final answer
    x = 81,270.76

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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.