Home / 130,333.98-179,880.12-82,591.68

Finding the Fourth Proportional to 130,333.98, 179,880.12 and 82,591.68

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Solution

The fourth proportional to 130,333.98, 179,880.12 and 82,591.68 is: 113,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,333.98 : 179,880.12 = 82,591.68 : x
  2. Step 2: Convert to fraction form
    130,333.98/179,880.12 = 82,591.68/x
  3. Step 3: Cross multiply
    130,333.98x = 179,880.12 × 82,591.68
  4. Step 4: Simplify right side
    130,333.98x = 14,856,601,309.40
  5. Step 5: Solve for x
    x = 14,856,601,309.40/130,333.98
  6. Step 6: Final answer
    x = 113,988.70

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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.