Home / 139,864.64-193,084.68-94,780.88

Finding the Fourth Proportional to 139,864.64, 193,084.68 and 94,780.88

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Solution

The fourth proportional to 139,864.64, 193,084.68 and 94,780.88 is: 130,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,864.64 : 193,084.68 = 94,780.88 : x
  2. Step 2: Convert to fraction form
    139,864.64/193,084.68 = 94,780.88/x
  3. Step 3: Cross multiply
    139,864.64x = 193,084.68 × 94,780.88
  4. Step 4: Simplify right side
    139,864.64x = 18,300,735,884.92
  5. Step 5: Solve for x
    x = 18,300,735,884.92/139,864.64
  6. Step 6: Final answer
    x = 130,846.05

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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.