Home / 137,816.94-190,204.20-77,390.13

Finding the Fourth Proportional to 137,816.94, 190,204.20 and 77,390.13

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Solution

The fourth proportional to 137,816.94, 190,204.20 and 77,390.13 is: 106,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,816.94 : 190,204.20 = 77,390.13 : x
  2. Step 2: Convert to fraction form
    137,816.94/190,204.20 = 77,390.13/x
  3. Step 3: Cross multiply
    137,816.94x = 190,204.20 × 77,390.13
  4. Step 4: Simplify right side
    137,816.94x = 14,719,927,764.55
  5. Step 5: Solve for x
    x = 14,719,927,764.55/137,816.94
  6. Step 6: Final answer
    x = 106,807.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.