Home / 140,708.37-194,175.63-77,046.15

Finding the Fourth Proportional to 140,708.37, 194,175.63 and 77,046.15

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Solution

The fourth proportional to 140,708.37, 194,175.63 and 77,046.15 is: 106,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,708.37 : 194,175.63 = 77,046.15 : x
  2. Step 2: Convert to fraction form
    140,708.37/194,175.63 = 77,046.15/x
  3. Step 3: Cross multiply
    140,708.37x = 194,175.63 × 77,046.15
  4. Step 4: Simplify right side
    140,708.37x = 14,960,484,715.32
  5. Step 5: Solve for x
    x = 14,960,484,715.32/140,708.37
  6. Step 6: Final answer
    x = 106,322.64

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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.