Home / 134,422.21-185,494.48-77,822.65

Finding the Fourth Proportional to 134,422.21, 185,494.48 and 77,822.65

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Solution

The fourth proportional to 134,422.21, 185,494.48 and 77,822.65 is: 107,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,422.21 : 185,494.48 = 77,822.65 : x
  2. Step 2: Convert to fraction form
    134,422.21/185,494.48 = 77,822.65/x
  3. Step 3: Cross multiply
    134,422.21x = 185,494.48 × 77,822.65
  4. Step 4: Simplify right side
    134,422.21x = 14,435,671,993.97
  5. Step 5: Solve for x
    x = 14,435,671,993.97/134,422.21
  6. Step 6: Final answer
    x = 107,390.53

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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.