Home / 109,173.96-150,658.32-61,427.28

Finding the Fourth Proportional to 109,173.96, 150,658.32 and 61,427.28

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Solution

The fourth proportional to 109,173.96, 150,658.32 and 61,427.28 is: 84,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,173.96 : 150,658.32 = 61,427.28 : x
  2. Step 2: Convert to fraction form
    109,173.96/150,658.32 = 61,427.28/x
  3. Step 3: Cross multiply
    109,173.96x = 150,658.32 × 61,427.28
  4. Step 4: Simplify right side
    109,173.96x = 9,254,530,806.97
  5. Step 5: Solve for x
    x = 9,254,530,806.97/109,173.96
  6. Step 6: Final answer
    x = 84,768.66

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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.