Home / 109,149.11-150,625.54-61,402.49

Finding the Fourth Proportional to 109,149.11, 150,625.54 and 61,402.49

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Solution

The fourth proportional to 109,149.11, 150,625.54 and 61,402.49 is: 84,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149.11 : 150,625.54 = 61,402.49 : x
  2. Step 2: Convert to fraction form
    109,149.11/150,625.54 = 61,402.49/x
  3. Step 3: Cross multiply
    109,149.11x = 150,625.54 × 61,402.49
  4. Step 4: Simplify right side
    109,149.11x = 9,248,783,102.07
  5. Step 5: Solve for x
    x = 9,248,783,102.07/109,149.11
  6. Step 6: Final answer
    x = 84,735.31

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1.5x scale

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.