Home / 112,240.64-154,892.28-61,939.64

Finding the Fourth Proportional to 112,240.64, 154,892.28 and 61,939.64

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Solution

The fourth proportional to 112,240.64, 154,892.28 and 61,939.64 is: 85,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.64 : 154,892.28 = 61,939.64 : x
  2. Step 2: Convert to fraction form
    112,240.64/154,892.28 = 61,939.64/x
  3. Step 3: Cross multiply
    112,240.64x = 154,892.28 × 61,939.64
  4. Step 4: Simplify right side
    112,240.64x = 9,593,972,061.98
  5. Step 5: Solve for x
    x = 9,593,972,061.98/112,240.64
  6. Step 6: Final answer
    x = 85,476.81

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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.