Home / 137,822.00-190,192.05-77,392.76

Finding the Fourth Proportional to 137,822.00, 190,192.05 and 77,392.76

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Solution

The fourth proportional to 137,822.00, 190,192.05 and 77,392.76 is: 106,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,822.00 : 190,192.05 = 77,392.76 : x
  2. Step 2: Convert to fraction form
    137,822.00/190,192.05 = 77,392.76/x
  3. Step 3: Cross multiply
    137,822.00x = 190,192.05 × 77,392.76
  4. Step 4: Simplify right side
    137,822.00x = 14,719,486,728.60
  5. Step 5: Solve for x
    x = 14,719,486,728.60/137,822.00
  6. Step 6: Final answer
    x = 106,800.71

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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.