Home / 102,903.32-141,964.78-67,080.76

Finding the Fourth Proportional to 102,903.32, 141,964.78 and 67,080.76

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Solution

The fourth proportional to 102,903.32, 141,964.78 and 67,080.76 is: 92,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,903.32 : 141,964.78 = 67,080.76 : x
  2. Step 2: Convert to fraction form
    102,903.32/141,964.78 = 67,080.76/x
  3. Step 3: Cross multiply
    102,903.32x = 141,964.78 × 67,080.76
  4. Step 4: Simplify right side
    102,903.32x = 9,523,105,335.63
  5. Step 5: Solve for x
    x = 9,523,105,335.63/102,903.32
  6. Step 6: Final answer
    x = 92,544.20

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1.5x scale

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.