Home / 102,281.89-141,147.87-56,958.88

Finding the Fourth Proportional to 102,281.89, 141,147.87 and 56,958.88

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Solution

The fourth proportional to 102,281.89, 141,147.87 and 56,958.88 is: 78,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,281.89 : 141,147.87 = 56,958.88 : x
  2. Step 2: Convert to fraction form
    102,281.89/141,147.87 = 56,958.88/x
  3. Step 3: Cross multiply
    102,281.89x = 141,147.87 × 56,958.88
  4. Step 4: Simplify right side
    102,281.89x = 8,039,624,589.59
  5. Step 5: Solve for x
    x = 8,039,624,589.59/102,281.89
  6. Step 6: Final answer
    x = 78,602.62

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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.