Home / 109,312.44-150,920.81-89,217.26

Finding the Fourth Proportional to 109,312.44, 150,920.81 and 89,217.26

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Solution

The fourth proportional to 109,312.44, 150,920.81 and 89,217.26 is: 123,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,312.44 : 150,920.81 = 89,217.26 : x
  2. Step 2: Convert to fraction form
    109,312.44/150,920.81 = 89,217.26/x
  3. Step 3: Cross multiply
    109,312.44x = 150,920.81 × 89,217.26
  4. Step 4: Simplify right side
    109,312.44x = 13,464,741,145.18
  5. Step 5: Solve for x
    x = 13,464,741,145.18/109,312.44
  6. Step 6: Final answer
    x = 123,176.66

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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.