Home / 139,924.68-193,100.16-76,266.60

Finding the Fourth Proportional to 139,924.68, 193,100.16 and 76,266.60

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Solution

The fourth proportional to 139,924.68, 193,100.16 and 76,266.60 is: 105,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,924.68 : 193,100.16 = 76,266.60 : x
  2. Step 2: Convert to fraction form
    139,924.68/193,100.16 = 76,266.60/x
  3. Step 3: Cross multiply
    139,924.68x = 193,100.16 × 76,266.60
  4. Step 4: Simplify right side
    139,924.68x = 14,727,092,662.66
  5. Step 5: Solve for x
    x = 14,727,092,662.66/139,924.68
  6. Step 6: Final answer
    x = 105,250.14

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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.