Home / 109,254.37-150,770.60-61,507.81

Finding the Fourth Proportional to 109,254.37, 150,770.60 and 61,507.81

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Solution

The fourth proportional to 109,254.37, 150,770.60 and 61,507.81 is: 84,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,254.37 : 150,770.60 = 61,507.81 : x
  2. Step 2: Convert to fraction form
    109,254.37/150,770.60 = 61,507.81/x
  3. Step 3: Cross multiply
    109,254.37x = 150,770.60 × 61,507.81
  4. Step 4: Simplify right side
    109,254.37x = 9,273,569,110.85
  5. Step 5: Solve for x
    x = 9,273,569,110.85/109,254.37
  6. Step 6: Final answer
    x = 84,880.53

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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.