Home / 139,925.47-193,101.20-76,267.39

Finding the Fourth Proportional to 139,925.47, 193,101.20 and 76,267.39

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Solution

The fourth proportional to 139,925.47, 193,101.20 and 76,267.39 is: 105,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,925.47 : 193,101.20 = 76,267.39 : x
  2. Step 2: Convert to fraction form
    139,925.47/193,101.20 = 76,267.39/x
  3. Step 3: Cross multiply
    139,925.47x = 193,101.20 × 76,267.39
  4. Step 4: Simplify right side
    139,925.47x = 14,727,324,148.53
  5. Step 5: Solve for x
    x = 14,727,324,148.53/139,925.47
  6. Step 6: Final answer
    x = 105,251.20

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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.