Home / 130,390.60-179,949.78-82,626.52

Finding the Fourth Proportional to 130,390.60, 179,949.78 and 82,626.52

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Solution

The fourth proportional to 130,390.60, 179,949.78 and 82,626.52 is: 114,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,390.60 : 179,949.78 = 82,626.52 : x
  2. Step 2: Convert to fraction form
    130,390.60/179,949.78 = 82,626.52/x
  3. Step 3: Cross multiply
    130,390.60x = 179,949.78 × 82,626.52
  4. Step 4: Simplify right side
    130,390.60x = 14,868,624,096.17
  5. Step 5: Solve for x
    x = 14,868,624,096.17/130,390.60
  6. Step 6: Final answer
    x = 114,031.41

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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.