Home / 130,289.34-195,462.71-74,155.88

Finding the Fourth Proportional to 130,289.34, 195,462.71 and 74,155.88

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Solution

The fourth proportional to 130,289.34, 195,462.71 and 74,155.88 is: 111,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289.34 : 195,462.71 = 74,155.88 : x
  2. Step 2: Convert to fraction form
    130,289.34/195,462.71 = 74,155.88/x
  3. Step 3: Cross multiply
    130,289.34x = 195,462.71 × 74,155.88
  4. Step 4: Simplify right side
    130,289.34x = 14,494,707,919.14
  5. Step 5: Solve for x
    x = 14,494,707,919.14/130,289.34
  6. Step 6: Final answer
    x = 111,250.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.