Home / 130,158.20-195,348.14-92,809.78

Finding the Fourth Proportional to 130,158.20, 195,348.14 and 92,809.78

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Solution

The fourth proportional to 130,158.20, 195,348.14 and 92,809.78 is: 139,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,158.20 : 195,348.14 = 92,809.78 : x
  2. Step 2: Convert to fraction form
    130,158.20/195,348.14 = 92,809.78/x
  3. Step 3: Cross multiply
    130,158.20x = 195,348.14 × 92,809.78
  4. Step 4: Simplify right side
    130,158.20x = 18,130,217,896.81
  5. Step 5: Solve for x
    x = 18,130,217,896.81/130,158.20
  6. Step 6: Final answer
    x = 139,293.70

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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.