Home / 139,926.60-193,102.75-76,268.52

Finding the Fourth Proportional to 139,926.60, 193,102.75 and 76,268.52

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Solution

The fourth proportional to 139,926.60, 193,102.75 and 76,268.52 is: 105,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,926.60 : 193,102.75 = 76,268.52 : x
  2. Step 2: Convert to fraction form
    139,926.60/193,102.75 = 76,268.52/x
  3. Step 3: Cross multiply
    139,926.60x = 193,102.75 × 76,268.52
  4. Step 4: Simplify right side
    139,926.60x = 14,727,660,950.43
  5. Step 5: Solve for x
    x = 14,727,660,950.43/139,926.60
  6. Step 6: Final answer
    x = 105,252.76

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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.