Home / 110,981.08-153,145.92-68,540.32

Finding the Fourth Proportional to 110,981.08, 153,145.92 and 68,540.32

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Solution

The fourth proportional to 110,981.08, 153,145.92 and 68,540.32 is: 94,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,981.08 : 153,145.92 = 68,540.32 : x
  2. Step 2: Convert to fraction form
    110,981.08/153,145.92 = 68,540.32/x
  3. Step 3: Cross multiply
    110,981.08x = 153,145.92 × 68,540.32
  4. Step 4: Simplify right side
    110,981.08x = 10,496,670,363.49
  5. Step 5: Solve for x
    x = 10,496,670,363.49/110,981.08
  6. Step 6: Final answer
    x = 94,580.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.