Home / 109,002.90-150,423.24-61,255.23

Finding the Fourth Proportional to 109,002.90, 150,423.24 and 61,255.23

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Solution

The fourth proportional to 109,002.90, 150,423.24 and 61,255.23 is: 84,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,002.90 : 150,423.24 = 61,255.23 : x
  2. Step 2: Convert to fraction form
    109,002.90/150,423.24 = 61,255.23/x
  3. Step 3: Cross multiply
    109,002.90x = 150,423.24 × 61,255.23
  4. Step 4: Simplify right side
    109,002.90x = 9,214,210,163.55
  5. Step 5: Solve for x
    x = 9,214,210,163.55/109,002.90
  6. Step 6: Final answer
    x = 84,531.79

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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.